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| cruise Mach number (飞机选择经济性较好的飞行状态,进行长距离、长时间飞行。飞机巡航能力是衡量飞机性能好坏的标准之一。巡航飞行马赫数对应于千米耗油量最小的飞行速度，即为久航速度，飞机按航速飞行，航程最长,续航时间最长) | |||
| cruising Mach number | |||
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巡航 马 赫数 : 2 phrases in 1 subject |
| Aviation | 2 |
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