Three spacewalks are planned during Discovery's 14-day flight, to install Kibo, replace an empty nitrogen-gas tank and try out various cleaning methods on a clogged solar-wing rotating joint.
在14天的飞行中将计划安排三次太空行走。分别是：安装Kibo实验室、替换一只空氮气箱以及在一个尝试各种方法清理被卡住的太阳能电池翼旋转关节。
Methods: Investigating hand cleaning state of medical staffs in various moments and having bacteriological cultivation.
方法：对各种情况下医护人员手部卫生进行调查并进行菌量培养。
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