This active picture appears at the same time, has transmitted guide's sound.
这个活动画面出现的同时，传来了讲解员的声音。
The problem of active noise control of interior sound field is investigated.
本文对室内声场的有源控制问题进行了探讨。
Sonorous Sound with Smart look is the initial impression of Active 3s line arrays system.
轻巧而声音圆润、洪亮就是有源3s线阵的第一印象。
Sonorous Sound with Smart look is the initial impression of Active 3s line arrays system.
轻巧而声音圆润、洪亮就是有源3s线阵的第一印象。
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