26.译文:根据发射时间,这颗通讯卫星已进入地球轨道。选 B.orbit(=path followed by one heavenly body round another)。go into orbit 属航空航天专业术语,尤指人造装置(如人造卫星、宇宙飞船等)进入轨道或环绕天体作轨道运行。例如:About two monthslater,on April 3,Luna 10 became the first vehicle ever to go into orbitaround the moon.(大约两个月以后,在四月三日,月球十号成为进入环绕月球轨道的第一个飞行器。)C.path(=way made across fields,through woods,etc.)“路(程)”,一般指行走的“小路”:D.course(=direction taken by sth.;line along which sth.moves)“进程”, 26. According to the launch time, this communications satellite has entered Earth orbit. Select B.orbit(=path followed by one heavenly body round another). Go into orbit is an aerospace term, especially an artificial device (such as an artificial satellite, a space ship, etc.) that enters orbit or orbits a celestial body. For example: About two months later, on April 3, Luna 10 became the first vehicle ever to go into orbitaround the moon. About two months later, on April 3, the 10th moon became the first aircraft to enter the lunar orbit. “C.path (=way made across fields, through woods, etc.) ”Road (way)“, generally refers to the ”path“ of walking: D.course (=direction taken by sth.;line along which sth.moves )”process",