查询词典 celestial globe

Historically, accurate knowledge of the positions of the Sun, Moon, planets and stars has been essential in celestial navigation .

从历史上看，知识的准确位置的太阳，月亮，行星和恒星已基本在天文导航。

And practical astronomy, a branch of applied aviation, an aircraft technology, the theoretical basis for celestial navigation.

实用天文学应用于航空领域的一个分支，是飞机天文导航技术的理论基础。

The use of the compass to make up for the observation of celestial phenomena alone navigation deficiencies, creating a new era of all-weather navigation.

指南针的运用，弥补了仅仅靠观察天象导航的不足，开创了全天候导航的新时代。

In order to test the performance of identification algorithm, shorten the development cycle of star sensor, as well as reduce the cost and improve the efficiency of development, a new type of hybrid simulation system for celestial navigation was proposed.

从检验星敏感器性能、加快其样机研制周期、降低成本、提高效率的目的出发，设计构走了一个实用性强的天文导航半物理仿真系统；着重介绍了此系统的组成、结构和各模块的功能：叙述了系统的实现方法和相关性能指标。

It is called celestial navigation.

它叫做天文导航。

Maria taught them to use the sextant , an instrument measuring the height of the sun from the horizon, and then to calculate the position of a ship through the use of mathematics and celestial navigation .

玛丽亚教他们使用六分仪，这是一种测量太阳离开水平线高度的仪器，后来又教他们通过数学和天体导航法的应用来推算船只的位置。

Its model is not so much a straight line as a real galaxy where everybody can draw unexpected connections between different stars to form new celestial images at any new navigation point.

其模型完全不是直线的，它就像一个真正的星系，每个人都能在不同的星与星之间画出意想不到的连接，从而在任何新的视点上，画出全新的天像图。

Based on the ideal of making most use of the celestial navigation system that is high accuracy,after analyzing the principle and error models of the CNS and inertial navigation system,an error correction algorithm of the CNS/INS integrated navigation is presented.

通过分析导弹天文导航和惯性导航的导航原理和误差模型，在基于充分利用高精度天文导航参数的思想上，提出了组合导航的误差修正方法。

The result of simulation indicates ballistic missile INS/GNSS integrated navigation system aided with celestial navigation can substantially improve the naviga...

仿真结果表明：采用天文导航系统对弹道导弹的INS/GNSS组合导航系统进行辅助将大幅度提高导弹的导航精度，具有重要的实际意义。

A transparent dome on the top of an aircraft, through which celestial observations are made for navigation.

天文观测舱，领航舱飞机顶部的一个透明圆顶形结构，航行时可通过它作天文观测

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。