- 揚(yáng)聲器指向性因數(shù)
- factor: n. 1.〔英國〕經(jīng)銷人；(代客買賣收取傭金的)經(jīng)紀(jì)人； ...
- directivity index of loudspeaker: 揚(yáng)聲器指向性指數(shù)
- directivity pattern of loudspeaker: 揚(yáng)聲器指向性圖案
- directivity factor: 定向因子; 方向系數(shù); 方向性系數(shù); 方向性因數(shù); 方向因數(shù); 擇向性因數(shù); 指向性系數(shù); 指向性因數(shù)
- antenna directivity factor: 天線方向性因數(shù)
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