{"id":386,"date":"2024-09-12T15:26:20","date_gmt":"2024-09-12T07:26:20","guid":{"rendered":"https:\/\/www.bihec.com\/think-srs\/?p=386"},"modified":"2024-09-12T15:26:20","modified_gmt":"2024-09-12T07:26:20","slug":"srsstanford-research-systems%e9%93%b7%e9%92%9ffs725-4","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/think-srs\/srsstanford-research-systems%e9%93%b7%e9%92%9ffs725-4\/","title":{"rendered":"SRS,Stanford Research Systems,\u94f7\u949f,FS725"},"content":{"rendered":"<p><strong><a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/srs\/\" title=\"View all posts in SRS\" target=\"_blank\">SRS<\/a>,<a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/stanford-research-systems\/\" title=\"View all posts in Stanford Research Systems\" target=\"_blank\">Stanford Research Systems<\/a>,<a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/%e9%93%b7%e9%92%9f\/\" title=\"View all posts in \u94f7\u949f\" target=\"_blank\">\u94f7\u949f<\/a>,<a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/fs725\/\" title=\"View all posts in FS725\" target=\"_blank\">FS725<\/a><\/strong><\/p>\n<p><strong>\u94f7\u9891\u7387\u6807\u51c6<\/strong><br \/>\nFS725 \u2014 10 MHz \u94f7\u9891\u7387\u6807\u51c6\uff0c\u5177\u670910 MHz\u548c5 MHz\u8f93\u51fa<br \/>\n20\u5e74\u8001\u5316\u5c0f\u4e8e0.005 ppm<br \/>\n\u8d85\u4f4e\u76f8\u4f4d\u566a\u58f0\uff0810 Hz\u65f6\u5c0f\u4e8e-130 dBc\/Hz\uff09<br \/>\n\u5185\u7f6e\u5206\u914d\u653e\u5927\u5668<br \/>\n1 pps\u8f93\u5165\u548c\u8f93\u51fa<br \/>\nRS-232\u8ba1\u7b97\u673a\u63a5\u53e3<\/p>\n<p><strong>\u6982\u8ff0<\/strong><br \/>\nFS725\u94f7\u949f\u632f\u8361\u5668\uff08SRS\u578b\u53f7<a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/prs10\/\" title=\"View all posts in PRS10\" target=\"_blank\">PRS10<\/a>\uff09\u3001<a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/%e4%bd%8e%e5%99%aa%e5%a3%b0\/\" title=\"View all posts in \u4f4e\u566a\u58f0\" target=\"_blank\">\u4f4e\u566a\u58f0<\/a>\u901a\u7528AC\u7535\u6e90\u548c\u5206\u914d\u653e\u5927\u5668\u96c6\u6210\u5728\u4e00\u4e2a\u7d27\u51d1\u7684\u534a\u5bbd2U<a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/%e6%9c%ba%e7%ae%b1\/\" title=\"View all posts in \u673a\u7bb1\" target=\"_blank\">\u673a\u7bb1<\/a>\u4e2d\u3002\u5b83\u63d0\u4f9b\u7a33\u5b9a\u53ef\u9760\u7684\u6027\u80fd\uff0c\u9884\u8ba120\u5e74\u8001\u5316\u5c0f\u4e8e5 \u00d7 10^-9\uff0c<a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/%e9%93%b7%e6%8c%af%e8%8d%a1%e5%99%a8\/\" title=\"View all posts in \u94f7\u632f\u8361\u5668\" target=\"_blank\">\u94f7\u632f\u8361\u5668<\/a>\u7684MTBF\uff08\u5e73\u5747\u65e0\u6545\u969c\u65f6\u95f4\uff09\u8d85\u8fc7200,000\u5c0f\u65f6\u3002FS725\u662f\u7528\u4e8e\u6821\u51c6\u548c\u7814\u53d1\u5b9e\u9a8c\u5ba4\u6216\u4efb\u4f55\u9700\u8981\u7cbe\u5bc6\u9891\u7387\u6807\u51c6\u7684\u5e94\u7528\u7684\u7406\u60f3\u4eea\u5668\u3002<\/p>\n<p><strong>FS725 10 MHz \u94f7\u9891\u7387\u6807\u51c6<\/strong><br \/>\nFS725\u5c06\u94f7\u632f\u8361\u5668\uff08SRS\u578b\u53f7PRS10\uff09\u3001\u4f4e\u566a\u58f0\u901a\u7528AC\u7535\u6e90\u548c\u5206\u914d\u653e\u5927\u5668\u96c6\u6210\u5728\u4e00\u4e2a\u7d27\u51d1\u7684\u534a\u5bbd2U\u673a\u7bb1\u4e2d\u3002\u5b83\u63d0\u4f9b\u7a33\u5b9a\u53ef\u9760\u7684\u6027\u80fd\uff0c\u9884\u8ba120\u5e74\u8001\u5316\u5c0f\u4e8e5 \u00d7 10^-9\uff0c\u94f7\u632f\u8361\u5668\u7684MTBF\uff08\u5e73\u5747\u65e0\u6545\u969c\u65f6\u95f4\uff09\u8d85\u8fc7200,000\u5c0f\u65f6\u3002FS725\u662f\u7528\u4e8e\u6821\u51c6\u548c\u7814\u53d1\u5b9e\u9a8c\u5ba4\u6216\u4efb\u4f55\u9700\u8981\u7cbe\u5bc6\u9891\u7387\u6807\u51c6\u7684\u5e94\u7528\u7684\u7406\u60f3\u4eea\u5668\u3002<\/p>\n<p>\u8bbe\u5907\u5177\u6709\u4e24\u4e2a10 MHz\u8f93\u51fa\u548c\u4e00\u4e2a5 MHz\u8f93\u51fa\uff0c\u5177\u6709\u6781\u4f4e\u7684\u76f8\u4f4d\u566a\u58f0\uff0810 Hz\u504f\u79fb\u65f6\u5c0f\u4e8e-130 dBc\/Hz\uff09\u548c\u4e00\u79d2Allan\u65b9\u5dee\uff08\u5c0f\u4e8e2 \u00d7 10^-11\uff09\u3002FS725\u53ef\u4ee5\u4e0e\u5916\u90e81 pps\u53c2\u8003\uff08\u5982GPS\uff09\u8fdb\u884c\u76f8\u4f4d\u9501\u5b9a\uff0c\u63d0\u4f9bStratum 1\u6027\u80fd\u3002\u8fd8\u63d0\u4f9b\u4e00\u4e2a1 pps\u8f93\u51fa\uff0c\u6296\u52a8\u5c0f\u4e8e1 ns\uff0c\u53ef\u8bbe\u7f6e\u4e3a1 ns\u5206\u8fa8\u7387\u3002<\/p>\n<p>FS725\u6700\u591a\u53ef\u4ee5\u6dfb\u52a0\u4e09\u4e2a\u5185\u90e8\u5206\u914d\u6a21\u5757\u3002\u6bcf\u4e2a\u6a21\u5757\u5177\u6709\u56db\u4e2a10 MHz\u8f93\u51fa\u3001\u4e00\u4e2a5 MHz\u8f93\u51fa\u548c\u4e00\u4e2a1 pps\u8f93\u51fa\uff0c\u6240\u6709\u8f93\u51fa\u90fd\u5177\u6709\u76f8\u540c\u7684\u4f4e\u76f8\u4f4d\u566a\u58f0\u3001\u8c10\u6ce2\u5931\u771f\u548c\u6296\u52a8\u3002<\/p>\n<p>RS-232\u63a5\u53e3\u5141\u8bb8\u4e0e\u94f7\u632f\u8361\u5668\u76f4\u63a5\u901a\u4fe1\u3002\u4f7f\u7528\u63d0\u4f9b\u7684Windows\u8f6f\u4ef6\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u76d1\u63a7\u548c\u63a7\u52361 pps\u5b9a\u65f6\uff0c\u5e76\u786e\u5b9a\u4eea\u5668\u7684\u8fd0\u884c\u72b6\u6001\u3002<\/p>\n<p>\u8bbe\u5907\u5177\u6709\u4e24\u4e2a\u62a5\u8b66\u7ee7\u7535\u5668\uff0c\u6307\u793a\u94f7\u632f\u8361\u5668\u9501\u5b9a\u72b6\u6001\u548c\u5bf9\u5916\u90e81 pps\u8f93\u5165\u7684\u540c\u6b65\u72b6\u6001\u3002\u8fd9\u4e9b\u7ee7\u7535\u5668\u4e3a\u5355\u5200\u53cc\u63b7\uff08SPDT\uff09\uff0c\u63d0\u4f9b\u5e38\u5f00\u548c\u5e38\u95ed\u63a5\u70b9\u3002<\/p>\n<div class=\"flex-1 overflow-hidden\">\n<div class=\"h-full\">\n<div class=\"react-scroll-to-bottom--css-cssqw-79elbk h-full\">\n<div class=\"react-scroll-to-bottom--css-cssqw-1n7m0yu\">\n<div class=\"flex flex-col text-sm md:pb-9\">\n<article class=\"w-full text-token-text-primary focus-visible:outline-2 focus-visible:outline-offset-[-4px]\" dir=\"auto\" data-testid=\"conversation-turn-17\" data-scroll-anchor=\"true\">\n<div class=\"text-base py-[18px] px-3 md:px-4 m-auto w-full md:px-5 lg:px-1 xl:px-5\">\n<div class=\"mx-auto flex flex-1 gap-4 text-base md:gap-5 lg:gap-6 md:max-w-3xl\">\n<div class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex-col gap-1 md:gap-3\">\n<div class=\"flex max-w-full flex-col flex-grow\">\n<div class=\"min-h-[20px] text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"dfb8cf58-38e8-4e4d-bf27-b55beac5885e\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p><strong>FS725 \u89c4\u683c<\/strong><\/p>\n<p><strong>\u8f93\u51fa<\/strong><\/p>\n<ul>\n<li><strong>\u8f93\u51fa\u9891\u7387<\/strong>\uff1a10 MHz \u6b63\u5f26\u6ce2\uff0c5 MHz \u6b63\u5f26\u6ce2\uff0c1 pps \u8109\u51b2\uff08\u5bbd\u5ea610 \u00b5s\uff09<\/li>\n<li><strong>\u5e45\u5ea6<\/strong>\uff1a0.5 Vrms\uff0c\u00b110%<\/li>\n<li><strong>1 pps \u8109\u51b2\u5e45\u5ea6<\/strong>\uff1a50 \u03a9\u8d1f\u8f7d\u4e0b\u4e3a2.5 V\uff0c\u9ad8\u963b\u6297\u8d1f\u8f7d\u4e0b\u4e3a5 V<\/li>\n<li><strong>\u76f8\u4f4d\u566a\u58f0\uff08SSB\uff09<\/strong>\uff1a\n<ul>\n<li>10 Hz\uff1a&lt;-130 dBc\/Hz<\/li>\n<li><a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/100\/\" title=\"View all posts in 100\" target=\"_blank\">100<\/a> Hz\uff1a&lt;-140 dBc\/Hz<\/li>\n<li>1 kHz\uff1a&lt;-150 dBc\/Hz<\/li>\n<li>10 kHz\uff1a&lt;-155 dBc\/Hz<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6742\u6563<\/strong>\uff1a&lt;-100 dBc\uff08100 kHz \u5e26\u5bbd\uff09<\/li>\n<li><strong>\u8c10\u6ce2<\/strong>\uff1a&lt;-40 dBc<\/li>\n<li><strong>\u51fa\u5382\u51c6\u786e\u5ea6<\/strong>\uff1a\u00b15 \u00d7 10^-11<\/li>\n<li><strong>\u8001\u5316\uff0830\u5929\u540e\uff09<\/strong>\uff1a\n<ul>\n<li>\u6bcf\u6708\uff1a&lt;5 \u00d7 10^-11<\/li>\n<li>\u51fa\u5382\u65f6&lt;2.5 \u00d7 10^-11\uff08\u9009\u914dC\uff09<\/li>\n<li>\u6bcf\u5e74\uff1a&lt;5 \u00d7 10^-10<\/li>\n<li>20\u5e74\uff08\u5178\u578b\u503c\uff09\uff1a5 \u00d7 10^-9<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u77ed\u671f\u7a33\u5b9a\u6027\uff08Allan\u65b9\u5dee\uff09<\/strong>\uff1a\n<ul>\n<li>1\u79d2\uff1a&lt;2 \u00d7 10^-11<\/li>\n<li>10\u79d2\uff1a&lt;1 \u00d7 10^-11<\/li>\n<li>100\u79d2\uff1a&lt;2 \u00d7 10^-12<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7ef4\u6301\u65f6\u95f4<\/strong>\uff1a72\u5c0f\u65f6 Stratum 1 \u7ea7\uff081 \u00d7 10^-11\uff09<\/li>\n<li><strong>\u9891\u7387\u56de\u6eaf<\/strong>\uff1a\u00b15 \u00d7 10^-11\uff0872\u5c0f\u65f6\u65ad\u7535\u540e\uff0c\u518d\u901a\u753572\u5c0f\u65f6\uff09<\/li>\n<li><strong>\u53ef\u8c03\u6027<\/strong>\uff1a&lt;5 \u00d7 10^-12<\/li>\n<li><strong>\u8c03\u8282\u8303\u56f4<\/strong>\uff1a\n<ul>\n<li>\u00b12 \u00d7 10^-9\uff080\u81f35 VDC\uff09<\/li>\n<li>\u00b10.5 ppm\uff08\u901a\u8fc7RS-232\uff09<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u9884\u70ed\u65f6\u95f4<\/strong>\uff1a\n<ul>\n<li>\u9501\u5b9a\u65f6\u95f4\uff1a&lt;6\u5206\u949f<\/li>\n<li>\u8fbe\u52301 \u00d7 10^-9\u7684\u65f6\u95f4\uff1a&lt;7\u5206\u949f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u524d\u9762\u677f\u6307\u793a\u706f<\/strong><\/p>\n<ul>\n<li><strong>\u7535\u6e90<\/strong>\uff1a\u201c\u5f00\u201d\u6307\u793a\u706f\u8868\u793aAC\u7535\u6e90\u5df2\u63a5\u901a<\/li>\n<li><strong>\u9501\u5b9a<\/strong>\uff1a\u201c\u5f00\u201d\u6307\u793a\u706f\u8868\u793a\u9891\u7387\u5df2\u9501\u5b9a\u5230\u94f7\u632f\u8361\u5668<\/li>\n<li><strong>1 pps \u8f93\u5165<\/strong>\uff1a\u6bcf\u6b21\u63a5\u6536\u52301 pps\u53c2\u8003\u8f93\u5165\u65f6\u95ea\u70c1<\/li>\n<li><strong>1 pps \u540c\u6b65<\/strong>\uff1a\u201c\u5f00\u201d\u6307\u793a\u706f\u8868\u793a1 pps\u8f93\u51fa\u4e0e1 pps\u8f93\u5165\u540c\u6b65\u8bef\u5dee\u5728\u00b11 \u00b5s\u8303\u56f4\u5185<\/li>\n<li><strong>\u63a5\u6536<\/strong>\uff1a\u5f53FS725\u63a5\u6536\u5230RS-232\u5b57\u7b26\u65f6\u95ea\u70c1<\/li>\n<li><strong>\u53d1\u9001<\/strong>\uff1a\u5f53FS725\u53d1\u9001RS-232\u5b57\u7b26\u65f6\u95ea\u70c1<\/li>\n<\/ul>\n<p><strong>\u540e\u9762\u677f\u8fde\u63a5<\/strong><\/p>\n<ul>\n<li><strong>\u9891\u7387\u8c03\u6574<\/strong>\uff1a0\u81f35 VDC\u8c03\u6574\u9891\u7387\u00b10.002 ppm\uff08\u901a\u5e38\u672a\u8fde\u63a5\uff09<\/li>\n<li><strong>1 pps \u8f93\u5165<\/strong>\uff1a\u4e00\u4e2a100 k\u03a9\u8f93\u5165\u3002\u9700\u8981CMOS\u7535\u5e73\u8109\u51b2\uff080\u81f35 VDC\uff09\u3002\u5982\u679c\u65bd\u52a0\u5916\u90e81 pps\u8f93\u5165\uff0c\u9501\u5b9a\u5c06\u4fdd\u6301\u57281 pps\u8f93\u5165\u548c1 pps\u8f93\u51fa\u4e4b\u95f4\uff0c\u8ba1\u7b97\u673a\u53ef\u8c03\u65f6\u95f4\u5e38\u6570\u4ece8\u5206\u949f\u523018\u5c0f\u65f6\u3002<\/li>\n<li><strong>10 MHz \u8f93\u51fa<\/strong>\uff1a\u4e24\u4e2a50 \u03a9\u9694\u79bb\u6b63\u5f26\u8f93\u51fa<\/li>\n<li><strong>5 MHz \u8f93\u51fa<\/strong>\uff1a\u4e00\u4e2a50 \u03a9\u6b63\u5f26\u8f93\u51fa<\/li>\n<li><strong>1 pps \u8f93\u51fa<\/strong>\uff1a\u4e00\u4e2a50 \u03a9\u8109\u51b2\u8f93\u51fa<\/li>\n<li><strong>\u53ef\u9009\u8f93\u51fa<\/strong>\uff1a\u6bcf\u4e2a\u9009\u914d\u677f\u63d0\u4f9b\u56db\u4e2a10 MHz\u8f93\u51fa\u3001\u4e00\u4e2a5 MHz\u8f93\u51fa\u548c\u4e00\u4e2a1 pps\u8f93\u51fa\u3002\u6700\u591a\u53ef\u5b89\u88c53\u4e2a\u677f\u3002<\/li>\n<li><strong>\u62a5\u8b66\u7ee7\u7535\u5668<\/strong>\uff1a\u6700\u5927\u7535\u6d413 A\u3002\u5355\u5200\u53cc\u63b7\uff08SPDT\uff09\uff0c\u5e38\u5f00\u6216\u5e38\u95ed\u3002\u53ef\u4e0e\u5176\u4ed6\u7ee7\u7535\u5668\u5e76\u8054\u8fde\u63a5\uff0c\u5b9e\u73b0\u201c\u7ebf\u6027\u6216\u201d\u5355\u4e2a\u62a5\u8b66\u3002\n<ul>\n<li><strong>Rb\u9501\u5b9a<\/strong>\uff1a\u7ee7\u7535\u5668\u72b6\u6001\u4e0e\u524d\u9762\u677f\u201c\u9501\u5b9a\u201dLED\u5339\u914d\u3002<\/li>\n<li><strong>1 pps<\/strong>\uff1a\u7ee7\u7535\u5668\u72b6\u6001\u4e0e\u524d\u9762\u677f\u201c1 pps\u540c\u6b65\u201dLED\u5339\u914d<\/li>\n<\/ul>\n<\/li>\n<li><strong>RS-232<\/strong>\uff1a9\u9488\u8fde\u63a5\u5668\uff0c\u914d\u7f6e\u4e3aDCE\uff0c9600\u6ce2\u7279\u7387\u3002\u63d0\u4f9bWindows RbMon\u8f6f\u4ef6\u3002<\/li>\n<\/ul>\n<p><strong>\u73af\u5883\u6761\u4ef6<\/strong><\/p>\n<ul>\n<li><strong>\u5de5\u4f5c\u6e29\u5ea6<\/strong>\uff1a+10 \u00b0C \u81f3 +40 \u00b0C<\/li>\n<li><strong>\u6e29\u5ea6\u7a33\u5b9a\u6027<\/strong>\uff1a\u0394f\/f &lt; \u00b11 \u00d7 10^-10\uff08+10 \u00b0C \u81f3 +40 \u00b0C\uff09<\/li>\n<li><strong>\u50a8\u5b58\u6e29\u5ea6<\/strong>\uff1a-55 \u00b0C \u81f3 +85 \u00b0C<\/li>\n<li><strong>\u78c1\u573a<\/strong>\uff1a1\u9ad8\u65af\u573a\u53cd\u8f6c\u4e0b\u0394f\/f &lt; 2 \u00d7 10^-10<\/li>\n<li><strong>\u76f8\u5bf9\u6e7f\u5ea6<\/strong>\uff1a95%\uff08\u65e0\u51dd\u7ed3\uff09<\/li>\n<\/ul>\n<p><strong>\u4e00\u822c\u4fe1\u606f<\/strong><\/p>\n<ul>\n<li><strong>AC\u7535\u6e90<\/strong>\uff1a90\u81f3132 VAC \u6216 175\u81f3264 VAC\uff0c47\u81f363 Hz\uff0c50 W<\/li>\n<li><strong>\u5c3a\u5bf8<\/strong>\uff1a8.5&#8243; \u00d7 3.5&#8243; \u00d7 13&#8243;\uff08\u5bbd\u00d7\u9ad8\u00d7\u6df1\uff09<\/li>\n<li><strong>\u91cd\u91cf<\/strong>\uff1a9\u78c5<\/li>\n<li><strong>\u4fdd\u4fee<\/strong>\uff1a\u6750\u6599\u548c\u5de5\u827a\u7f3a\u9677\u4e00\u5e74\u4fdd\u4fee\u3002<\/li>\n<\/ul>\n<p id=\"BLGWQdy\"><img loading=\"lazy\" width=\"1303\" height=\"875\" class=\"alignnone size-full wp-image-220 \" src=\"https:\/\/www.bihec.com\/think-srs\/wp-content\/uploads\/sites\/1216\/2024\/09\/img_66de6429c7e86.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/think-srs\/wp-content\/uploads\/sites\/1216\/2024\/09\/img_66de6429c7e86.png 1303w, 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-ml-2\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><a href=\"https:\/\/www.bihec.com\/think-srs\/FS725\/\">https:\/\/www.bihec.com\/think-srs\/FS725\/<\/a><\/p>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/fs725\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 8pt;\" aria-label=\"FS725 (6\u4e2a\u9879\u76ee)\">FS725<\/a>\n<a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/srs\/\" class=\"tag-cloud-link tag-link-1 tag-link-position-2\" style=\"font-size: 22pt;\" aria-label=\"SRS (105\u4e2a\u9879\u76ee)\">SRS<\/a>\n<a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/stanford-research-systems\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-3\" style=\"font-size: 22pt;\" aria-label=\"Stanford Research Systems (105\u4e2a\u9879\u76ee)\">Stanford Research Systems<\/a>\n<a href=\"https:\/\/www.bihec.com\/think-srs\/tag\/%e9%93%b7%e9%92%9f\/\" class=\"tag-cloud-link tag-link-3 tag-link-position-4\" style=\"font-size: 9.7796610169492pt;\" aria-label=\"\u94f7\u949f (9\u4e2a\u9879\u76ee)\">\u94f7\u949f<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>SRS,Stanford Research Systems,\u94f7\u949f,FS725 \u94f7\u9891\u7387\u6807\u51c6 FS725 \u2014 10 MHz \u94f7\u9891\u7387\u6807\u51c6\uff0c\u5177\u670910 MHz\u548c5 MHz\u8f93\u51fa 20\u5e74\u8001\u5316\u5c0f\u4e8e <\/p>\n","protected":false},"author":27,"featured_media":222,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[77],"tags":[79,4,5,78],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SRS,Stanford Research Systems,\u94f7\u949f,FS725<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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