Finally, the development trend of FEM in the astronomical instruments especially the space astronomical instruments is presented.
叙述了有限元分析技术应用于天文仪器尤其是空间天文仪器的发展趋势。
AD 1231. Birth of Guo Shoujing. Together with others he compiled the 'official calendar' and created many kinds of astronomical instruments.
公元1231年郭守敬出生。与他人共同编制“授时历”，创制多种天文仪器。
The depolarizers are widely used in many photoelectric measuring instruments, such as astronomical instruments, laser processing, laser medicines, optical fiber communication and so on.
现在退偏器件已经广泛应用于天文学仪器、激光加工、激光医学光纤通讯等光电测量仪器中。
It is in astronomical terms, Neil – it's visible to the naked eye – meaning without using instruments – and it's reachable by spacecraft.
这是一个天文术语，叫做肉眼可见，是指不借助任何设备就可看见，我们乘坐宇宙飞船可以到达火星。
The error derived from the observer and his instruments in surveying astronomical longitude is called the person and instrumental equation, which must be corrected in the first and second degrees.
摘要：在天文经度测量中，由观测员及其所用仪器引起的误差称为人仪差，在一、二等天文测量中必须加入此项改正。
The error derived from the observer and his instruments in surveying astronomical longitude is called the person and instrumental equation, which must be corrected in the first and second degrees.
摘要：在天文经度测量中，由观测员及其所用仪器引起的误差称为人仪差，在一、二等天文测量中必须加入此项改正。
应用推荐