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- Cesium beam atomic frequency standard 铯束原子频率标准
- cesium beam atomic frequency standards 铯束原子弹频率标准
- cesium beam atomic clock 铯辐射原子钟
- Indicated the good result of the long-term operation of the optically pumped cesium beam frequency standard in China. 强调了中国光抽运铯原子束频标经过长期连续工作所取得的优秀成果。
- A portable laser system, continually working for very long period, is the key part in realization of an optically pumped cesium beam frequency standard. 长期连续工作的袖珍激光系统是实现实用的光抽运铯束频标的关键。
- Research and Development of Cesium Beam Tube Tester 铯束管测试仪研制
- double beam atomic absorption spectrophotometer 双光束原子吸收分光光度计
- The frequency of this atomic oscillation is always the same, which is why it is so valuable as a standard for defining time. 原子振荡的频率总保持不变,这也就是它成为定义时间的珍贵标准的原因。
- The Formation of Ring-shaped Beam in a Cesium Beam Tube 圆环束的形成
- atomic cesium beam maser 铯原子束微波激射器
- Study on Improving Signal-to-Noise Ratio of Cesium Beam Tube by LD-Pumping 用光抽运提高铯束管信噪比的研究
- The ship was sunk by an atomic submarine. 这艘船是被一艘核潜艇击沉的。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- Our first atomic reactor was built in1958. 我们第一个原子反应堆建于1958年。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- An atomic bomb can annihilate a city. 一枚原子弹能毁灭一个城市。
- His answer was right on the beam. 他的答案完全正确。
- The reactor was built for tame atomic energy use. 这座反应堆是为原子能的安全使用而建造的。
- Since the atoms oscillate so fast, they can normally only be observed for a short time, which limited the accuracy with which they could be measured. 由于,原子振荡地非常快,它们只能在很短的时间观察到,这限制了它们可测量的精确度。
- Her speech argued the case against atomic weapons very effectively. 她的发言就反对原子武器问题进行了十分有力的论证。