赤经 [天] right ascension
视赤经 [天] apparent right ascension ; apparent ascension
赤经共轭量 sidereal hour angle ; sidereal hour angle Ascension verse ; ascension verse ; ascension verse sidereal hour angle
赤经岁差 [天] precession in right ascension
升交点赤经 right ascension of ascending node ; LAN ; RAAN ; longitude ascending node
赤经圈 circle of right ascension ; right ascension circle ; circle of latitude
共轭赤经 sidereal hour angle
赤经章动 nutation in right ascension ; [天] equation of the equinoxes
太阳赤经的增量 increment of sun's right ascension
赤经差 ascensional difference
工作在调相状态下的旋转变压器可以用其相位模拟恒星时与赤经、时角的关系。
Phase modulated resolvers can be used to model the relation between the sidereal time right ascension and the hour angle.
松开赤经兼小时刻度环的定位螺丝后把赤经兼小时刻度环“0小时”位置对准赤经指示箭头。
Set "0 hour" on the R. A. and hour graduation ring to the R. A. indicator after loosening the graduation-ring setscrew.
这个位置也以天球坐标形式显示在右下角（赤经和赤纬）。
The location is also noted in the lower right corner in celestial coordinates (Right Ascension and Declination).
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