| 单词 | θ77059 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > discharge of electricity > [noun] > point of discharge > gap (4) spark-gap1889 sphere gap1913 a form of spark gap with two spherical electrodes, used esp. in devices for measuring high voltages. needle gap1916 a pair of needle-shaped electrodes placed in line, separated by a gap across which an electric discharge can take place when the potential difference… Subcategories:— part of (1) |
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