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回旋行波管
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回旋行波管
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回旋管
释
gyro-traveling wave tube
回旋行波管
利用非谐振高频结构产生行波互作用的回旋管。
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investigation
investigational new drug
investigation and control of funds for economic crimes
investigation and evaluation of Chinese water resources and their exploitation and utilization
investigation and evaluation of coal resources
investigation and evaluation of land resources
investigation and evaluation of oil and gas resources strategic area
investigation and governance for hidden danger
investigation and research
investigation behavior
investigation by combining serial cases
investigation clues
investigation command
investigation committee
investigation for flight accident
investigation for natural construction materials
investigation led by information
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Investigation of a little bird named Turlipan
investigation of basic farmland
investigation of disease natural history
investigation of drug crimes
investigation of earth materials
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