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PEI Zhuo-yanSenior Engineer Vice-chief Engincer Changjiang Reconnaissance Technology Research Institute Wuhan China ZHAO Quan-linProfessor-Senior Engineer Comprehensive Reconnaissance Bureau Changjiang Water Resources Commission Wuhan China ZHU Li-ruProfessor-Senior Engineer Comprehensive Reconnaissance Bureau Changjiang Water Resources Commission Wuhan China 《人民长江》2002,(Z1)
1 IntroductionThepermanentshiplockisaprimarybuildingoftheThreeGorgesProject.Itsituatesintherockmass ,2 0 0mnorthTanzilinghilltop ,ontheleftbankoftheYangtzeriv er.Itisafive -flightdoublelineshiplockwithatotallengthof 6 442minshiplockroutineandamainsectionof 16 17m … 相似文献
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本文通过对航天机自动进场着陆过程特点和着陆引导系统的介绍,认为采用新一代标准微波着陆系统(MLS)作为航天飞机自动进场着陆的传感器是最佳选择. 相似文献
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