An arrangement of four magnetic (or electric) poles, of alternate polarity, directed at the same volume of space (used to focus beams of subatomic…
| 单词 | θ79004 |
| 释义 | the world > matter > physics > atomic physics > particle physics > particle accelerator > [noun] > arrangement for focusing (1) quadrupole1954 An arrangement of four magnetic (or electric) poles, of alternate polarity, directed at the same volume of space (used to focus beams of subatomic… |
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