英汉日科技词汇——D1 ... directivity factor ==> 指向计数,方向性因数,指向性因数 directivity function ==> 指向性函数,方向性函数 directivity gain ==> 指向性因数=>指向性利得 ...
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用指向性函数分别描述了医用线列阵单频波和宽带波声场。
The directivity function is used to describe the sound field of single-frequency and broad-band waves produced by a medical linear array.
用指向性函数分别描述了医用线列阵单频波和宽带波声场。
The sound field of the Continuous Wave and the Impulsive Wave is described by the directivity function.
积分式中的被积函数包含一噪声强度垂直指向性因子，海洋介质分层条件通过该指向性因子影响噪声场的空间相干。
The integrand includes a multiplying factor of the vertical directivity of the noise intensity, and the layered ocean environment affects the spatial coherences via this directivity factor.
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