美国国家标准学会(ANSI)发起成立的一个委员会，负责多种系统互联标准的制定。

A committee sponsored by the American National standards Institute (ANSI) that is responsible for a variety of system interconnection standards.

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ASA曝光指数∶由美国国家标准学会规定，标明胶片对光的敏感程度的指数或感光速度。

ASA Exposure: Index or speed rating that denotes the film sensitivity, defined by the American National Standards Institution.

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几十年来，美国国家标准学会设计的ANSI法兰已经为石油和天然气工业提供了壹种适用的密封技术，而且卓有成效。

For decades, American national standards institute ANSI flange design has been for the oil and gas industry is provided one of the sealing technology, and effectiveness.

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几十年来，美国国家标准学会设计的ANSI法兰已经为石油和天然气工业提供了一种适用的密封技术，而且卓有成效。

For decades, the American National Standards Institute ANSI flange design for the oil and gas industry provides a seal applied technology, and effective.

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为了测出如此微小的力，国家标准和技术学会的团队将大约60个超冷铍离子装在一个叫做“潘宁陷阱”的装置中，该装置是利用磁场和电场禁锢带电粒子的。

To detect such a tiny force, the NIST team confined about 60 ultra-cold beryllium ions in a device called a Penning trap, which USES magnetic and electric fields to imprison charged particles.

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在科罗拉多州博尔德的国家标准与技术学会(NIST)工作的John Kitching及其同事正在设计一系列微型电子钟，尺寸从一块方糖到一粒米大小。

John Kitching and colleagues at the National Institute of Standards and Technology (NIST) in Boulder, Colo., are designing atomic clocks that range in size from a sugar cube to a grain of rice.

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在科罗拉多州博尔德的国家标准与技术学会(NIST)工作的John Kitching及其同事正在设计一系列微型电子钟，尺寸从一块方糖到一粒米大小。

John Kitching and colleagues at the National Institute of Standards and Technology (NIST) in Boulder, Colo., are designing atomic clocks that range in size from a sugar cube to a grain of rice.

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