Unlike the Chinese test, though, the American target was in such a low orbit that any debris would quickly have fallen into the air and burned up.
然而有别于中国实验的是美国的目标卫星的飞行轨道较低，从而所产生的残骸会在落入大气层后迅速燃烧。
But two events in the past four years - a 2007 Chinese anti-satellite weapon test and a 2009 crash-in-orbit of two satellites - put so much new junk in space that everything changed, the report said.
但是过去四年中的两件事却向太空中投放了太多的垃圾，一是07年中国反卫星武器的测试，二是09年两个卫星的相撞。报道称，所有的事情都改变了。
Yet the destruction of the Chinese Fengyun-1C in an anti-satellite missile test in 2007 accounts for more than a quarter of all catalogued objects in low-Earth orbit.
中国在2007年进行了反卫星导弹试验，风云一号卫星被摧毁。由此产生的太空碎片使记录在册的近地轨道物体增加了四分之一强。
A device of analogue control and measurement is developed. It can simulate the working mode of Stirling cooler in orbit in order to provide reliable test data for the use in space.
研制出一套模拟控制与测量装置，模拟斯特林制冷机在轨运行的工作模式，为其在空间应用提高可靠的试验数据。
The orbit and the vibration of the pin center and the attitude of the axis of pin in the revolute joint are measured by the TD800 test system.
使用TD800测试系统，能够实时地测出转动副轴心的运动轨迹、振动波形以及轴在空间的运动姿态。
The opportunity to test on the robot in orbit has Radford, Wilson and Hoffman excited.
这个在轨道上测试这款机器人的机会令拉德弗德、威尔逊和霍夫曼兴奋不已。
The motion orbit of cutting-tool is simulated dynamically on the computer screen, with test and verification of NC program achieved in the non-real cutting process.
仿真系统模拟数担数控机床硬件插补原理，在计算机上动态地模拟出刀具运动轨迹，实现非实际切削过程中的数控代码验证。
They will test the jettison mechanisms that will shed the servicemodule fairings once the spacecraft is in orbit.
他们将测试抛弃机制，那将脱落服务舱的整流罩，一旦该航天器进入轨道。
It has undergone new type rocket flight test, and gained high orbit injection accuracy in satellite launching.
并且此系统经历了新型火箭飞行试验，通过发射卫星，又取得了入轨精度的验证。
It has undergone new type rocket flight test, and gained high orbit injection accuracy in satellite launching.
并且此系统经历了新型火箭飞行试验，通过发射卫星，又取得了入轨精度的验证。
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