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。
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。
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。
The furniture veneer and advanced compound floor covering with all kinds of light, matt, grain relief, relief When Shan, ma surface have passed the standards for environmental protection.
各式亮光、哑光、木纹浮雕、山纹浮雕、麻面等国家具贴面和高级强化复合地板等饰板,产品均达到国家规定的环保标准。
Higher quality standards of Sake require corresponding higher management of grain rice.
介绍了清酒用米的品质要求及处理方法。
CVN(Charpy V-notch) toughness and grain size number of J55 grade oil casings produced by Baotou Iron and Steel Company did not meet the reiative standards in the past.
本文针对包钢原来生产的J55石油套管冲击韧性不足,晶粒粗大的问题开展研究。
CVN(Charpy V-notch) toughness and grain size number of J55 grade oil casings produced by Baotou Iron and Steel Company did not meet the reiative standards in the past.
本文针对包钢原来生产的J55石油套管冲击韧性不足,晶粒粗大的问题开展研究。
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