| 字词 | 指向性 |
| 释义 | 指向性 zhǐ xiàng xìng {电磁} directive property; directionality; directivity 指向性换能器 directional transducer; 指向性图 directivity pattern; directional response pattern; 指向性图案 {工声} beam pattern; directional response pattern; directivity pattern; 指向性响应 directional response; 指向性响应图 directional response pattern; 指向性效应 directionality; 指向性因数 {工声} directivity factor; 指向性增益 directional gain; directive gain; 指向性指数 {工声} directional gain; directivity index |
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