从卫星数字图像上,逐步实现地学专题信息的自动提取是遥感信息定量化的一个方向。
It is a direction for RS information drawing in ration that the information of Geographic special topic taken automatically from the digital image of the satellite, can be realized step by step.
这是来自宇宙的数字图像,从中我们看到了几十个卫星轨道的数字表示,他们在高速旋转的地球。
This is an image from the digital Universe, in which we see the digital representation of the orbits of dozens of satellites as they rotate the Earth at high speed.
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