| 单词 | photomultiplier tube |
| 释义 | photomultiplier tubephotomultiplier tube[¦fōd·ō′məl·tə‚plī·ər ¦tüb]photomultiplier tubeA vacuum tube that converts light into electrical energy and amplifies it. Photomultiplier tubes are used in high-end drum scanners, because they are more sensitive to light than the CCD elements used in lower-cost devices.photomultiplier tubepho·to·mul·ti·pli·er tubephotomultiplier tube(fō″tō-mŭl′tĭ-plī″ĕr),PMT |
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