英语词典
Optical observation sight is a dominating air-ground attack method to a large or medium bomber, which its optical systems are usually chosen telescope. The telescope should demand two bands spectrum of visible light and near infrared.
光学观测瞄准是大中型轰炸机主要的对地攻击瞄准方式,其光学系统一般采用望远式光学系统,这就要求光学系统能满足可见光和近红外光两个光谱波段。
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