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Terms containing two-course range | all forms | in specified order only
SubjectEnglishChinese
mil., air.def.two course radio range双航向无线电信标 (beacon)
tech.two-course radio range双航道无线电指向标
tech.two-course range双航向信标
spacevisual two-course range navigation system目视双向距离导航系统

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