| 单词 | longitudinal mass |
| 释义 | longitudinal mass [´län·jǝ`tüd·ǝn·ǝl `mas] RELATIVITY The ratio of a force acting on a relativistic particle in the direction of its velocity to the resulting acceleration; equal to m0(1-v2/c2)-3/2, where m0 is the particle's rest mass, v is its speed, and c is the speed of light. |
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