这包括复杂的垂直发射设备，附近城镇两座游客中心以及一个在主宇航中心的游客中心的建成。
It will include the completion of the Vertical Launch Complex facility, two visitor centres in nearby towns and a further visitor centre on the main spaceport site.
牛顿望远镜和反射折射望远镜都有一个次级反射镜(或称斜反射镜)，它们阻挡了一部分主反射镜的发射光。
Newtonian and catadioptric telescopes have secondary (or diagonal) mirrors that obstruct a small percentage of light from the primary mirror.
液货船上主无线电发射机天线已接地且雷达已关掉？
Are the ship's main radio transmitter aerials earthed and radars switched off?
应用推荐