Based on the characteristics of launch window, an algorithm to calculate the launch window for space rescue mission was deduced.

从发射窗口的基本特性出发，推导了空间救援任务发射窗口的解析求解方法。

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Nothing elsewhere in the federal space can rescue you from a big downturn in defense, and business conditions at the state and local level are at a low ebb.

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Space Shuttle Endeavour was staged for a possible rescue mission in case Space Shuttle Atlantis gets into trouble while the crew is fixing the Hubble Telescope.

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There are easy and inexpensive ways to rescue your wasted space and transform it into an attractive design statement.

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