| 释义 |
right ascension raitəˈsenʃən 短语⁹⁶⁶⁷⁷⁺⁶
基本英英近义反义例句
赤经
Noun:
astronomy the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere;one hour of right ascension equals fifteen degrees 近义词 Ra化元素镭radiu…celestial longitude黄经
When such new objects are announced, right ascension and declination coordinates are normally given to allow other people to locate the object.
这种天体被观测到之后，他们的赤经和赤纬坐标就会公布出来，以便他人观测。 lamost
Any reference star that if found to show larger residual in either Right Ascension or Declination will be rejected from the astrometric solution.
任何一个参考星的赤经或赤纬偏差超过这个值将被拒绝进行天文测量处理。 xjltp
Each search area is about10 degrees in declination and one hour of right ascension.
每个搜索区域有大约包括赤纬10度，赤经一小时。 iciba
How to complete the calculation of sun declination, sun right ascension, sun greenwich hour angle, greenwich hour angle of aries and sun local hour angle in Astronomical Position.
利用计算机完成天文定位中的太阳赤经、赤纬、太阳格林时角、春分点格林时角、测者地方时角的计算。 cnki
Its aim is to determine the right ascension and declination of the star, its parallax and proper motion.
它要测定恒星的经纬度，视差（即距离，和自行。 cnki
Step motors are used as driving motors for both right ascension and declination. The initial fixed directions in both coordinates of the system are determined by means of a photoelectric system.
赤经赤纬方向上均用步进马达驱动，用光电系统确定该系统的两个初始固定坐标方向，计算机兼容IC钟用来获得控制系统时间基准。 cnki
This paper presents the observations of Mars's right ascension with the photoelectric transit.
本文给出了光电中星仪测定火星赤经的结果。 cnki
Using the Snell's law in polar coordinates, the ionospheric refraction effects on the declination and right ascension determination is discussed in this paper.
本文利用极坐标下斯涅尔定律，系统地讨论了电离层折射对赤经赤纬的修正问题，并据此给出了射线描迹法。 cnki |