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Terms for subject Space containing head down | all forms | exact matches only | in specified order only
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head down tilt头低位倾斜 (模拟失重时的一种体位)
head-down bed rest头低位卧床 (模拟失重时,人体的一种卧床姿势)
head-down radar下视[俯视]雷达
head-down suspension头低位悬吊 (小鼠模拟失重实验的一种方法)