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- Occultation Complete or partial obscuration of an astronomical object by the moon or a planet. 月球和行星运行时,完全或部分掩蔽背景天体的现象,称为掩星。
- Different physical processes occurring in an astronomical object may lead to production of light at different wavelengths. 在天体内所进行的不同物理过程,往往会产生不同波长的光线。
- An entirely new set of astronomical objects will become uncovered as we perfect observations throughout. 当我们把观测工作做得充分完善之时必将会发现一批全新的天体。
- Here is a short quiz for you. Do you know what the following five astronomical objects are? 请回答以下问题:你知道下列五个天体是什么吗?
- Its presence is inferred indirectly from the motions of astronomical objects, specifically stellar, galactic, and galaxy cluster/supercluster observations. 它的存在是从天文学物体运动确定的恒星，银河及银河星团/超星系观察被间接的推断出来。
- Setting circles are used on telescopes equipped with an equatorial mount to find astronomical objects in the sky by their equatorial coordinates often used in star charts or ephemeris. 定位圈 是设置在望远镜的赤道仪式架台上的装置，这是与星图或星历表上常用的赤道座标一样的天球座标系统，可以协助寻找在天空中的目标天体。
- So what makes us think that it exists at all?Its presence is inferred indirectly from the motions of astronomical objects, specifically stellar, galactic, and galaxy cluster/supercluster observations. 因此使我们认为它究竟存在与否?它的存在是从天文学物体运动确定的恒星，银河及银河星团/超星系观察被间接的推断出来。
- He was too poor to buy an astronomical telescope. 他太穷了，买不起天文望远镜。
- He has told a story which sound not objective. 他讲了听起来不真实的一个故事。
- The Study of High-resolution Imaging of Astronomical Object Based on Phase-Diversity Method 基于相位差方法的天文目标高分辨率成像研究
- Try to be more objective about it. 尽量更客观地对待此事吧。
- A college education is my objective. 我的目标是获得大学教育。
- Astronomical sums of money will be needed for this project. 这项工程需要异常庞大数额的资金。
- A judge must give an objective opinion. 评判员必须发表公正的意见。
- Everest is the climber's next objective. 埃佛勒斯峰(即珠穆朗玛峰)是这个登山者的下一个目标。
- The price of this gem is expensive -- as much so as astronomical figures. 这个宝石的价格十分昂贵－－简直是个天文数字。
- Her principal objective was international fame as a scientist. 她的主要目标是当个有国际声誉的科学家。
- His wife was astonished at the astronomical sum of money he had spent. 他的妻子被他花的天文数字的钱款惊呆了。
- Our ultimate objective is the removal of all nuclear weapons. 我们的最终目标是消除所有核武器。
- They mounted an astronomical telescope on the roof. 他们把天体望远镜装在屋顶上。
