国际原子时
- 网络tai;iat;International atomic time
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国际原子时进展中的原子钟
Atomic clocks in the progress of International Atomic Time
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概述了传统原子频标的现状,以及新型原子频标和国际原子时的研究进展。
The status of traditional atomic frequency standards and research progress of new atomic frequency standards , as well as new horizontal of international atomic time ( TAI ) are described .
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1991年3月起,BIPM已正式用于国际原子时TAI的计算中。
Since the beginning of 1991 , BIPM have been using our comparing results for the computation of TAI .
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对国际原子时(TAI),地球力学时(TDT)和质心力学时(TDB)的定义和概念作了回顾和阐述。对其中一些有争议的问题进行了介绍和讨论。
This paper reviews the definition and conception of TAI , TDT and TDB , introduces and discusses some problems which are disputed recently among astronomers and physicists .
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1984年他首次到国际原子能总署服务时,担任秘书处高级专员一职。
He first came to the IAEA in1984as a senior member of the secretariat .