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用法例句

A fast design method for transfer orbit of lunar probe is presented using overlap conic curve method aimed at lunar landing transfer orbit and lunar satellite transfer orbit.

利用重叠圆锥曲线方法,针对着陆型和月球卫星型两种地月转移轨道,给出了一种地月转移轨道的快速设计方法。

A fast design method for the lunar satellite transfer trajectory is presented by combining patched conic technique and ephemeris.

提出了一种将圆锥曲线拼接法与历表相结合 ,快速设计月球卫星地月转移轨道的方法。

Lunar satellite is the most popular concept in the recent and future lunar exploration missions, such as Clementine (NASA, 1994), Lunar Prospector (NASA, 1998) and Smart-1 (ESA, 2002).

发射月球卫星是探测月球的一个重要途径,而且为了找水,多采用极轨方式。