查询词典 celestial

The research result indicates that the precision is satisfied for the need of celestial navigation .

研究结果表明，其精度完全能满足航海天文导航的精度要求。

An instrument that measures the altitude and azimuth of celestial bodies; used in navigation.

用来测量天体的高度和角度的装置；通常用于航海。

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。

Use nationalization degree and the relationship that commercialize degree, condition of calculable market economy plays scope of optimal and state-owned economy.

利用国有化程度与市场化程度的关系，可计算市场经济条件下最佳国有经济规模。

The kinds of extractant also effected desulfurization rate .

萃取剂对脱硫率的影响也很大，乙二胺的萃取效果优于甲醇的。