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天体测量也有其他优势。Astrometry has other advantages as well.
它是空间测量学专业船只。It is specialized in astrometry and survey operations.
反常折射已成为传统天体测量学的主要误差来源。Anomalous refraction is believed to be the main error source for classical astrometry.
天体测量学需要在相对论框架下重新建立自己的理论体系。A new theoretical system of astrometry in the frame of relativity ought to be finished.
本文简述精密天文测量和天文动力学的关系、发展和展望。We discuss the relation, the development and the outlook of astrometry and astrodynamics.
换句话说，天体测量很适合探测像我们这样的行星系统。In other words, astrometry is ideally suited for detecting planetary systems like our own.
天体测量学研究的是恒星的精确位置和运动轨迹。Astrometry is the study of the precise measurements of the positions and movement of stars.
欧洲空间局专门用作空间天体测量的伊巴谷卫星将于1988年上半年发射。The ESA astrometry satellite HIPPARCOS will be launched in the first part of 1988 or later.
很多天文软件包都使用引导星目录库，所以配置一个光驱也视必要的。Most astrometry software packages use the Guide Star Catalogue, so a CD-ROM drive is also required.
天体测量学许多问题中的相对论效应已被许多人讨论过并在资料处理中应用。The effects of relativity on a lot of subjects in astrometry have been discussed and applied in reduction of data.
新的一套天体测量理论和方法正在变更之中，我们应及时跟上这个领域的发展步伐。A set of new theory and method of astrometry are being modified, we should catch up with development of this field.
某种程度上，“天体测量”的确是天文学家们总是在做的事，测量天上目标的准确位置。In a way, "astrometry" is precisely what astronomers have always done, measuring the exact positions of celestial objects.
在亚洲地区，VLBI技术主要被发展用于空间大地测量、天体测量、和天体物理观测研究。In Asian area, VLBI technique has been developed for geodetic researches, astrometry , as well as for astrophysical studies.
因此总的来说没啥奇怪的，天体测量也是第一种用来寻找遥远恒星周围行星的方法。It is therefore not altogether surprising that astrometry was also the first method used in searching for planets around faraway stars.
天文学是地球大气层之上宇宙的学问，其主要分支是天体测量，天体力学和天体物理。Astronomy is the study of the universe beyond the earth's atmosphere. The main branches are astrometry , celestial mechanics, and astrophysics.
GAIA和SIM在很大程度上是互相补充的飞行，使得两者的天文观测能力互相得到加强。GAIA and SIM are largely complementary missions and can greatly enhance each other capabilities and the scientific progress in the field of astrometry.
在常规照相天体测量工作中，对暗天体的定位是采用逐级定标星过渡的方法实现的。In the routine photographic astrometry , the position determination of faint celestial body is realized by using multi-step transition of reference stars.
地球的自转运动和公转运动本来就是天体测量学和地学共同的研究课题，但方法和目的有所不同。The Earth's rotation and revolution Movement was originally astrometry and ground studies of common research topics, but the methods and goals of different.
现在天体测量法已经证实了其在探测红矮星附近行星的价值，很有可能在接下来的几年里更多这样的世界将被发现。Now that astrometry has proven its value in detecting planets around red dwarfs, it is likely that many more such worlds will be discovered in the coming years.
用天文学方法研究地球的各种运动状态及其力学机制的学科，是天体测量学与地学交叉的科学。Study on the Earth with a variety of astronomical state of motion and mechanical mechanisms of disciplines, is astrometry intersection of science and earth science.