In this paper, obtained the translunar trajectory for direct striking the moon, which satisfied some constraints including translunar flight time, lunar landing date.
在给定飞行时间、着月时间、着月入射角及停泊轨道等约束条件下,建立飞月轨道数学模型;
The ship had to lie off because of the storm.
由于暴风雨船只得在海岸附近停泊.
We are developing the harbour facilities to allow larger ferries to berth.
我们正在扩展港口设施,以便更大的渡船在此停泊.
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