| 单词 | 航天器 |
| 释义 | 〔downlink〕A transmission path for the communication of signals and data from a communications satellite or other space vehicle to the earth and back.下引线：通信卫星或其它航天器之间传递数据信号的传输线路〔home〕To guide (a missile or an aircraft) to a target automatically.自动导向目标：把（飞弹或航天器）自动导向某一目标〔suborbital〕Having or following a trajectory of less than one orbit. Used of a rocket or spacecraft.（卫星、火箭、航天器）不满轨道一圈的，亚轨道的〔spaceport〕An installation for sheltering, testing, maintaining, and launching spacecraft.太空中心：对航天器进行存放、测试、维修和发射的基地〔uplink〕A transmission path by which radio or other signals are sent to an aircraft or a communications satellite.上行路线，向上传输：传向航天器或通讯卫星的无线电或其他信号的传输路线〔posigrade〕Of, relating to, or being an auxiliary rocket on a multistage spacecraft that is fired in the direction of the spacecraft's motion to separate the sections.正加速度的火箭：多节航天器上的辅助火箭的，这种火箭点燃后沿航天器运行方向推进，并分为几部分〔spacecraft〕A vehicle intended to be launched into space. Also called spaceship 航天器：即将被发射入太空的工具 也作 spaceship |
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