今天，高度精确的计时仪器为大多数电子设备设定了节拍。
Today, highly accurate timekeeping instruments set the beat for most electronic devices.
早在数千年前，古代中国、希腊和其它很多古代文明就发明了各种各样的精确计时仪器。
Various types of instruments to accurately measure the passage of time were invented in ancient China, Greece, and other civilizations thousands of years ago.
秤漏是一种特殊类型的漏刻，在隋唐及北宋前期曾是司天机构的主要计时仪器。
The steelyard clepsydra, a special type of clepsydra, had been the chief timekeeping instrument during the Sui-Tang period and the earlier stage of the Northern Song dynasty.
秤漏是一种特殊类型的漏刻，在隋唐及北宋前期曾是司天机构的主要计时仪器。
The steelyard clepsydra, a special type of clepsydra, had been a chief time-keeping instrument during the Sui-Tang period a nd the earlier stage of Northern Song dynasty.
公元前117年，东汉的张衡制造了大型天文计时仪器——水运浑天仪，初步具备了机械性计时器的作用。
In117bc zhang heng of the east han dynasty manufactured the water-driven celestial globe a large astronomical time-measuring apparatus that had the primitive function of a mechanical time measurer.
拉比诺维茨一星期前已经打破了世界记录，但是官方计时仪器当天出现电源故障，没有记下拉比诺维茨的成绩。
Rabinowitz broke the record a week ago, but a faulty electronic timer kept the mark out of the books.
分析了仪器仪表中常见干扰的来源，从应用的角度讨论了用硬件、软件和印制电路板设计时可用的抗干扰技术。
This paper analyses the sources of common interference in electronic instruments and discusses the anti-jamming techniques for hardware, software, printed circuit board, etc in terms of application.
作为一种智能仪器，它实为纹影仪、阴影仪等其它光学仪器的理想配套产品，并可单独作为计时器或速度测量仪使用。
As one intellectual instrument it is really ideal product to form a complete set with schlieren, shadower and other optical instruments. It can be used solely ast…
作为一种智能仪器，它实为纹影仪、阴影仪等其它光学仪器的理想配套产品，并可单独作为计时器或速度测量仪使用。
As one intellectual instrument it is really ideal product to form a complete set with schlieren, shadower and other optical instruments. It can be used solely ast…
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