multistage的英语例句
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A multistage rocket projects missiles into space.
多段式火箭把导弹发射至空中.
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Multistage sampling in forest inventory is not restricted to fixed - area sampling units.
森林资源清查中,多阶抽样并不局限于固定面积的抽样单元.
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A multistage operation improves the thermal efficiency.
多层操作可以提高热效率.
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