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landing impact test for lunar probe
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landing impact test for lunar probe
Encyclopedia
工学
月球探测器着陆冲击试验
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landing impact test for lunar probe
月球探测器着陆冲击试验
月球探测器实施缓冲着陆所承受的力学载荷环境的试验活动。月球探测器着陆冲击指探测器经过姿态调整、悬停选定着陆点后,关闭轨控发动机和姿控推力器,从一定高度处以自由下落方式,通过着陆支撑缓冲机构着陆月面时,瞬时动能转化为冲量,而使探测器(主结构)承受的冲击作用。
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evacuated optical waveguide
evacuated tube solar water heater
Evacuated tube transport
evacuation
evacuation and means of evacuation
evacuation equipment for contaminated patient ofuclear,chemical and biological agents
evacuation exit
evacuation facilities
evacuation plan
evacuation platform
evacuation route
evacuation route external
evacuation route pressurized
evacuation route protected
evacuation signal
evacuation staircase
evacuation system
evacuation time
Eva Hesse
Eva Jiricna
Eva Kanturková
Evald Vassilievich Ilyenkov
evaluable primary frequency standard
evaluate of loss of working time,vegetative period,nursing period
evaluate the soil and water
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