Because the moon's body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.
由于月球阻碍了与探测器的直接无线电通信，中国首先必须把一颗人造卫星送入月球轨道上的一个点，人造卫星可以从那里向航天器和地球发射信号。
America's forthcoming "Prompt Global Strike" non-nuclear hypersonic missiles will be able to hit almost any spot on earth in less than an hour-provided excellent satellite data is available.
美国即将问世的“全球快速打击”非核高超音速导弹，能在一小时内，打击地球上几乎任何地点——前提条件是有尖端卫星数据可用。
Oil slicks are notoriously difficult to spot in natural-color (photo-like) satellite imagery because a thin sheen of oil only slightly darkens the already dark blue background of the ocean.
浮油出名的难以被发现在天然色卫星图像上，因为稀薄光泽的石油仅仅略黑于深蓝色的大海。
This machine should set a new record for commercial satellite resolution: just 41cm (though that will still not be quite good enough to spot people as well as planes).
这个机器为商务卫星的承诺需安装一个新的纪录器：仅仅41厘米(尽管这将仍然比不上真实的人和飞机)。
The results indicate that the method is effective for SPOT satellite image.
研究表明，这种方法对SPOT卫星图象的几何校正是有效的。
The satellite remains in one spot relative to the earth's surface.
相对地球表面而言，这颗卫星位置固定。
The SPOT satellite images of 2008 combining with field surveys with 3S technology are used to investigate the vegetation and land usage and environment quality situation of Panlong watershed.
利用2008年SPOT卫星影像结合野外调查，运用3S技术对盘龙河流域的植被、土地利用和环境质量情况进行调查。
At last, we apply the new method to remote sensing image of SPOT satellite, and realize the system of remote sensing image processing of SPOT satellite.
最后，将该算法应用于SPOT卫星遥感图像处理，设计和实现了SPOT卫星遥感图像处理系统。
Utilize SPOT satellite photograph data and GIS technology to establish land utilization data system of Yundonghai lake restoration's scope, and analyze land overlay;
利用SPOT卫星影像数据结合GIS技术建立云东海湖区恢复范围的土地利用数据库系统，进行土地覆盖变化分析；
As GPS is used widely around the world, satellite positioning technology is becoming a hot spot of satellite application technology.
随着GPS在全球的普及应用，卫星定位技术正在成为研究的热点。
This system adopts satellite linking route to realize on-the-spot teaching and use IP network on the earth to realize multiple modes of interaction between students and tutors.
该系统采用卫星链路实现教学现场的直播，采用地面IP网实现师生间多模式的交互。
This system adopts satellite linking route to realize on-the-spot teaching and use IP network on the earth to realize multiple modes of interaction between students and tutors.
该系统采用卫星链路实现教学现场的直播，采用地面IP网实现师生间多模式的交互。
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