The 4G mission is set to launch from Cape Canaveral in the United States on a space X Falcon 9 rocket in 2019.
4G任务将于2019年从美国卡纳维拉尔角发射，搭载的是spaceX猎鹰9号火箭。
Keeping the X-37 in orbit will provide us with additional experimentation opportunities and allow us to extract the maximum value out of the mission.
在轨x - 37空天飞机将为我们提供更多的试验机会，让我们在任务中获取最大价值。
Designed as a scalable, multi-mission radar system, AMDR is comprised of an X-band, S-band and radar Suite Controller (RSC).
AMDR的设计为一个可扩展多任务雷达系统，是由一个X波段、S波段和雷达套件控制器(RSC)组成的。
NASA has proposed a mission, called Constellation-X, that would build on this work by providing detailed pictures of what happens to space-time at the edges of these gravitational chasms.
NASA业已提出名为“X星云”的计划，将会通过提供这些引力深渊的边缘时空所发生现象的精细照片，完成这项工作。
The US Air Force's X-37B space plane is circling Earth and, although it is on a classified mission with an officially unpublished orbit, sky watchers have spotted it.
美国空军的X-37B太空船当时正在环绕地球，在某个官方未公开的轨道执行秘密任务。天空观察者发现了它。
The TanDEM-X satellite has blasted into orbit on a mission to acquire the most precise 3D map of the Earth's surface.
TanDEM-X卫星已经被发射进入轨道，它的任务是获得最精确的地球表面三维地图。
“It gives you a sense of the scale of what NASA does that our flight test rocket is larger than any other rocket in the world,” Ares I-X deputy mission manager Jon Cowart told SPACE.com.
“这会让你觉得NASA的飞行试验火箭比世界上任何其他的火箭都要大，”战神I-X的副项目主管Jon Cowart告诉SPACE.com。
Which Hollywood blockbuster do you wish you were a part of: "Mission Impossible III", "The Da Vinci Code" or "X-Men: The Last Stand"?
在以下好莱坞巨片里，你希望自己能出演哪一部：“不可能的任务3”、“达文西密码”或者“X战警：最后战役”？
Rosat was an X-ray telescope mission and had a mirror system made of a reinforced carbon composite material.
伦琴卫星是一只X射线望远镜，同时拥有由加强型碳纤维复合材料制成的镜子系统。
Its main mission is to measure the solar soft X-ray energy spectrum.
其主要探测任务是实现对太阳软x射线的高分辨能谱测量。
Its main mission is to measure the solar soft X-ray energy spectrum.
其主要探测任务是实现对太阳软x射线的高分辨能谱测量。
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