详细解释:n. 天体测量学
词型变化：
形容词:astrometric英语解释：
名词 astrometry:
the branch of astronomy that deals with the measurement of the position and motion of celestial bodies详细解释：
as.trom.e.try
n.（名词）The scientific measurement of the positions and motions of celestial bodies.天体测量学：天体位置及运动的科学测量
【引伸】
as.tromet.ric