由CCD摄像机通过特殊设计的复合滤光系统摄取近弧区图象。

The near arc area image is catched by a CCD camera through a specially designed visible light compound filter system.

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由CCD摄像机通过特殊设计的复合滤光系统摄取近弧区图象。

The near arc area image is catched by a CCD camera through a specially designed visible light compound filter system.

youdao