astronomic

With the development of Information Technology and space navigation technology, especially the micro-miniaturization, speediness and automation of satellite communication, scouting the flying project, remote sensing and measuring and astronomic observation antenna system, more hard requirements are demanded on precision transmission.

随着信息和宇航科学技术的发展，特别是卫星通信、飞行目标跟踪与拦截、遥感与遥测、天文观察等天线系统的微小型化、快速化及自动化，对精密传动提出了更高的要求。

The theory of sphere-heavens played an important part in the history of Chi-nese astronomy, exerting significant influence on the design and manufacture of anaent astronomic instruments, as well as on the explanation of relevant astro-nomic theories. The Theory of Expounding Appearance in the Night Sky

浑天说在中国天文学史上占有重要的地位，对中国古代天文仪器的设计与制造产生了重大的影响，对天文学的有关理论问题的解释也产生了重大影响。

The logic at the time was that it would be cheaper to pay capital-gains tax on a one-off sale than to continue paying Harold Wilson's astronomic income tax.

他当时考虑的只是一次性卖掉版权需要支付的资产利得税低于需要不断支付给哈罗德•威尔逊的天文数字般的所得税。

The Armillary Sphere was an astronomic observatory instrument in ancient China.

浑仪是中国古代的一种天文观测仪器。

According to the recent astronomic observations, qualitative change evolution of organisms and global glacial stage data, the appropriate time interval of a galactic year should be 260 Ma, based on which a new geologic time scale is put forward in this paper.

依目前天文观测及全球生物质变进化和冰期资料来看，银河年时距以260Ma为宜。本文据此提出了一个新的地质年代表。

The world's first water-driven astronomic instrument with explicit historical re-cords ， the new armillary sphere employed an extremely complex gear system.

漏水转浑天仪是有明确历史记载的世界上第一架用水力驱动的天文仪器。浑天仪应用到的齿轮机构和凸轮机构十分复杂。

Calibration of Soft X-Ray Detector for Astronomic Observation

天文观察用超软X射线探测器的标定

Eclipse is a very intriguing astronomic phenomenon.

日食是非常引人入胜的天文现象.

the scientific terms break down into two subcategories of the astronomic and the physics terms.

科学的字汇被拆解成两个子类，分别是太空与物理的词汇。

Measurement of astronomic azimuth angle in Jinghai station and its quality evaluation

静海地磁台天文方位角测量及其质量评估

He had made thirteen kinds of astronomic equipments and observed, measured the celestial phenomena.

他制作了13种天文仪器，并对天象进行实侧。

Moreover, the sun position in the sky is obtained by astronomic algorithms in the case of open loop.

由天文历法来计算太阳在天空中的位置。

Later, in order to facilitate the observation of more celestial bodies ， such as the sun ， the planets ， and the moon ， more rings were added inside the armillary sphere ， making it a multi-purpose astronomic instrument.

后来，古人为了便于观测太阳、行星和月球等天体，在浑仪内又添置了几个圆环，使浑仪成为多种用途的天文观测仪器。

Starting with the research on astronomic factor which arouses tide phenomenon, this paper introduces a method of nonharmonic analysis based on neural network to predict tide.

运用非调和法，直接从引起潮汐现象的天文因素入手，以2002年香港验潮站实测资料为例，用神经网络对潮汐知识进行了学习仿真，对未知结果进行了预报。

Zhang ， in cooperation with his colleagues ， made the bronze armillary sphere and ecliptic sphere ， with which they gath-erect lots of astronomic data through practical ob-nervation ， and carried out effective astronomic re-search.

借助天文仪，通过实际观测，他们搜集了许多天文数据，有效地进行了对天文学的研究。

The environmental impact of this population increase is bound to be astronomic.

这个人口增长对环境的影响必然是天文数字.