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.

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。

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Watched surface, the attention to wood grain , and this is good or bad directly determine floors standards.

观看表面时，注意木质的纹理，这也是直接判定地板好坏的标准。

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The state covers their living and medical expenses, and their grain, edible oil and non-staple food rations are set according to the same standards for local residents.

罪犯的生活费、医疗费由国家供给，粮油、副食品按当地居民标准供应。

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Grain merchants stepped in to set standards, now that grain from multiple fields was going to be mixed, and they established the Chicago Board of Trade.

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