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飏扇(飏车)
由人力驱动产生风(气流)以清除谷物中颖壳、灰糠和瘪粒等杂质的一种中国传统农具。又称飏(扬)车、扬谷器、风扇车。
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elliptic-hyperbolic
elliptic hyperbolism
elliptic hyperboloid
elliptic hypergeometric series
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elliptic integral of the second kind
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