本文介绍了烟盒式和无芯电池式两种被动式热释光氡累积探测器，可用于室内及矿井空气中氡的监测。
This paper presents two passive thermoluminescence radon accumulating detectors. These detectors are suitable for monitoring air radon concentration indoors, outdoors and in Wells of mines.
目的研究CCD摄像机作为微光夜视探测器的帧累积特性。
Aim to describe accumulating frames characteristics of CCD camera as a night vision detector.
目的研究CCD摄像机作为微光夜视探测器的帧累积特性。
Aim to describe accumulating frames characteristics of CCD camera as a night vision detector.
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