1·Noise is measured in anechoic room.
噪音值是在无音室中的测量值。
2·TLM method can also be used to simulate the measurement of antenna array in microwave anechoic room.
TLM方法也可以模拟在微波暗室里对天线阵的测量。
3·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。
4·Active noise control experiments were performed in both a semi-anechoic chamber and an ordinary room.
本文分别在半消声室和普通房间进行有源消声实验。
5·The sound source is placed in a reverberation room, and the receiving room is a small anechoic box.
这种方法，声源放在一个混响室内，而接收室是一个小的消声箱。