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directivity index
auto. 声源指向性指数
el. 定向［方向］指数
health. 指向性增益; 定向〔方向〕指数
mil., air.def. 方向性系数
oil 定向指数; 方向指数; 指向性指数
radio 指向性系数
tech. 方向性指数; 指向指数
 English thesaurus
Directivity Index
abbr., scottish DI
directivity index: 1 phrase in 1 subject
Technology1

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