“umbilical cable”的概念、定义、翻译、参考文献-科学参考

单词	umbilical cable
释义	umbilical cable Encyclopedia 工学〔组件〕释 umbilical cable脐带电缆在航天范畴内，脐带电缆原本指发射前运载火箭、卫星与相应地面设备之间的连接电缆，因形似婴儿的脐带而得名。现专指有效载荷（卫星、探测器和飞船等）与运载火箭对接后，供有效载荷地面充电、供电、测试和控制使用的星地联系电缆。
随便看	second-order sufficient condition second-order system second order temporal coherence second-order temporal coherence second order term second-order theory second-order variation second order wave force second organic aerosol compounds second orthogonality relation second Pappus theorem second partial derivative second pendulum second-person virtual reality second plenary session of ninth central committee of CPC Second Plenary Session of Seventh CPC Central Committee second polar second polar body second power second power point second principal line second principal plane second problem of cousin second prolongation second quadrant

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