Finally, the development trend of FEM in the astronomicalinstruments especially the space astronomicalinstruments 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。
2
AD 1231. Birth of Guo Shoujing. Together with others he compiled the 'official calendar' and created many kinds of astronomicalinstruments.
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。
3
The depolarizers are widely used in many photoelectric measuring instruments, such as astronomicalinstruments, laser processing, laser medicines, optical fiber communication and so on.