... weight ratio重量比 weight to thrust ratio重量推力比 weightlessness失重 ...
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推力重量比 thrust-to-weight ratio ; Thrust-weight ratio
推力-重量比 Thrust to Weight Ratio
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在单元数足够多时，环簇式塞式喷管可比相同面积比的钟形喷管的尺寸更小，重量更轻，推力效率更高；
When numbers of the inner nozzle are enough, plug nozzle has less size, less weight and higher thrust efficiency than the bell nozzle under same area ratio.
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