Based on "two-microphone" method, a sound intensity measurement was carried out towards a vehicle four-stroke gasoline engine in a semi-anechoic room.

运用声强测试技术的双传声器法原理，对一台车用汽油发动机在半消声室内进行了声强测量。

youdao

Based on "two-microphone" method, a sound intensity measurement was carried out towards a vehicle four-stroke gasoline engine in a semi-anechoic room.

运用声强测试技术的双传声器法原理，对一台车用汽油发动机在半消声室内进行了声强测量。

youdao