The ancient calendar, astronomical instruments and astronomical organizations of China produced considerable influence on its neighbors.
该文重点介绍了中国古代历法、天文仪器、天文机构传入日本的情况，说明中日两国的天文学方面的交流有着悠久的历史，对日本天文学的发展作出了贡献。
What kind of apparatus is this?
大牛：哟，这又是什么天文仪器呢？
Optimization design and analysis of the structure of beryllium mirrors of astronomical instruments in space
空间天文仪器中的铍镜结构优化设计分析
These mixtures of astronomical instruments and time-measuring devices cannot be seen as independent time measurers.
这类计时器尚不能算是独立的计时器，还是天文仪器与计时仪器的混合体。
objective (incl. polarizing) for astronomical instruments, binoculars, refracting telescopes microscopes
天文仪器、双筒镜、折射望远镜、显微镜物镜（包括偏振的）
level gauge (hydrological instruments)
水平仪（水文仪器）
a building designed and equipped to observe astronomical phenomena.
有天文观测仪器可以观测天文现象的一个台子。
astronomical ECD spectrometer
电子耦合器件天文光谱仪
Hubble watched the night sky with instruments at the university's Yerkes Observatory.
哈勃在大学的耶基斯天文台用仪器观察夜空。
model of the celestial sphere; used by early astronomers to determine the positions of stars.
天球的模型；早期天文学家用的测定星体位置的仪器。
It is desirable for more amateur astronomers to build this relatively simple instrument.
它吸引了越来越多的业余天文学家去制作这种相对简单的仪器。
terrestrial mapping astronomical theodolite
地面测绘天文经纬仪
contribute little to either ultra- violet astronomy or X-ray astronomy.
所以气球携带的仪器对紫外线天文学或Ｘ射线天文学的贡献是不大的。
an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.
能够在半球形内部圆顶的内部表面投出天体图像和其他天文现象的光学仪器。
Modern astronomers are accustomed to using large telescopes and other complex instruments to study the sky.
近代的天文学家习惯于使用大型望远镜及其他一些复杂仪器来研究天象。
The design and realization of servo system of antennas for Astronomical Interferometer
天文干涉仪天线伺服系统设计与实现
vehicles for space astronomical observation
空间天文观测航天器
This course explores the detection and measurement of radio and optical signals encountered in communications, astronomy, remote sensing, instrumentation, and radar.
这一门课程是探讨在通信、天文、遥测（遥感）、仪器与雷达上的射频信号与光信号的检测与度量。
To detect shorter wavelengths, astronomers must put instruments above the earth's atmosphere.
要探测到更短的波长，天文学家们就必须把仪器送到地球大气层以外去。