“helicopter”的概念、定义、翻译、参考文献-科学参考

单词	helicopter
释义	helicopter Encyclopedia 工学直升机释 helicopter直升机以发动机驱动旋翼旋转作为升力和推进力来源，能垂直起落、悬停并能进行前飞、侧飞、后飞、定点回转等可控飞行的重于空气的航空器。
随便看	cross-under cross validation cross-validation cross-validation and estimation of principal component number cross vein cross viscosity cross wedge rolling crosswedge rolling mill cross-well seismic data processing cross wire cross-wire micrometer crosswise crosswise ranks crotaline crotch depth crotonaldehyde croton fruit crotonic acid Crotorite CRO trace Crotti-Engesser’s theorem crotyl alcohol Crouching Tiger, Hidden Dragon crouch squat stay down couch and coordinate match up cooperate assort tone Crousaz

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