compn.<俚> 免费票v.伴奏abbr.综合中学(=comprehensive)abbr.比赛(=competition)abbr.补偿(=compensation)compar.abbr.=comparative；comparative

1. After a while, the stacked images, shifted to compensate for the motion of the asteroid, will appear.
   过一会儿，经过适当位移用以补偿小行星视运动的叠加后的图片就会出现。
2. The compensating descending motions normally occur over a much larger area than the ascending motion.
   补偿下沉运动通常出现在比上升运动大得多的区域上。