The Optical Transient Detector (OTD) is a highly compact combination of optical and electronic elements.
光学瞬变探测器（OTD）是光学和电子元素的一个高度紧密组合。
The name, Optical Transient Detector, refers to its capability to detect the momentary changes in an optical scene which indicate the occurrence of lightning.
它的名字-光学瞬间探测器，是指它可以探测到光学图像的瞬间变化，而这种光学图像则表明了闪电的出现。
The name, Optical Transient Detector, refers to its capability to detect the momentary changes in an optical scene which indicate the occurrence of lightning.
它的名字-光学瞬间探测器，是指它可以探测到光学图像的瞬间变化，而这种光学图像则表明了闪电的出现。
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