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- lunar seismometer 月震计
- A lunar occultation of a quasar. 类星体的月星掩测定
- A month, especially a lunar month. 太阴月一个月，尤指阴历的月
- A luminous spot on a lunar halo. 幻月，假月月晕上的光斑
- The astronauts piloted their craft down to the lunar surface. 宇航员驾驶宇宙飞船在月球表面降落。
- The seismometer was invented by Zhang Heng. 地震仪是由张衡发明的。
- How can I make my own seismometer? 问：我怎样才能做一个我自己的测震仪？
- It was reported that there would be a lunar eclipse tomorrow evening. 据报道说，明天晚上有月食。
- News of the lunar landing swept the country. 登陆月球的消息一下传遍全国
- A young Air Force officer served as lunar module pilot for Apollo 16. 一位年轻的空军军官担任了阿波罗16号登月舱的驾驶员。
- The lunar gravity is about one-sixth that on earth. 月亮的引力大约为地球的六分之一。
- Solar perturbation of the lunar orbit. 出差由于太阳引力引起的月球轨道运动的摄动
- A similar development in the USA is termed triaxial seismometer. 美国研制的与此相似的地震计称为三位地震计。
- The Spring Festival is the lunar New Year. 春节即农历新年。
- Next day was the last day of the old lunar year. 第二天是旧历这一年的最后一天。
- How is the movement of the seismometer converted into a seismogram? 问：测震仪的运动是怎么转换成震动图的？
- A manned spacecraft;several manned lunar landings. 载人宇宙飞船；几个人类策划的登月计划
- At last, the curve of seismometer frequency response is given. 最后给出了检波器频率响应曲线。
- Chinese people celebrate the lunar New Year. 中国人庆祝农历新年。
- What is a seismometer? What are seismographs? How do they work? 问：地震检波器是什么？地震记录仪又是什么？它们是怎么工作的？
