首先研究自由漂浮空间机器人整体交会路径规划策略和最终接近阶段交会路径规划的安全性原则；
The whole rendezvous path planning strategy and safety principle of rendezvous path planning in ultimate approaching stage of free floating space robot are researched;
俄勒冈西北部的差不多每条河都接近洪涝阶段了。
Virtually every river in northwestern Oregon was near flood stage.
当团队接近主要阶段的尾声时，及时的将所有的细节包装起来通常时很难的。
As a team nears completion of a major phase, it.s often difficult to wrap up all the details in a timely fashion.
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