“proximity-focused tube”的概念、定义、翻译、参考文献-科学参考

单词	proximity-focused tube
释义	proximity-focused tube [präk`sim·ǝd·ē ¦fō·kǝst `tüb] ^ELECTRONICS A type of image tube in which electrons are rapidly accelerated across a narrow gap, 1.5 to 3.5 millimeters wide, between the photocathode and the phosphor screen, both deposited on plane- parallel optical windows.
随便看	treble tree tree automaton tree climate tree diagram tree fern tree frog tree line tree pruning tree-ring hydrology trefoil trellis drainage Trematoda trematodiasis Trematosauria trembling ill Tremellales tremie tremolite tremor trench trench duct trencher trench excavator trench fever

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