the ratio of the masses of two things, esp. (in Aeronautics) of a rocket with its fuel tanks respectively full and empty.
| 单词 | θ115583 |
| 释义 | the world > relative properties > number > ratio or proportion > [noun] > of particular quantities (1) mass-ratio1919 the ratio of the masses of two things, esp. (in Aeronautics) of a rocket with its fuel tanks respectively full and empty. |
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