| 释义 |
directivitydirectivity[direkˈtiviti]n.1.■定向性, 指向性, 方向性
特殊用法antenna directivity1.■天线方向性antenna element directivity1.■天线(单)元方向性array directivity1.■天线阵(排列)的方向性horizontal directivity1.■水平方向性microphone directivity1.■传声器指向性radar horizontal directivity1.■雷达水平方向性receiving directivity1.■接收方向性transmitting directivity1.■发射方向性vertical directivity1.■竖直方向性directivity on vertical plane1.■竖直面方向性 |