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【多选题】

在空中三角测量前,先对原始影像进行预处理,包括对原始影像进行( )。

A.
匀色处理
B.
对比度的调整
C.
亮度的调整
D.
色彩的调整
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参考答案:
参考解析:
.
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【单选题】It is now almost two years since the European Union decided to go ahead with plans to launch a satellite-navigation network to rival America’s existing Global Positioning System (GPS). For much of thi...

A.
Using of various signals for communication.
B.
Writing message or information in secret code.
C.
Automatic ally operated positioning system.
D.
Accuracy checking device.