The Korean scientists, however, want to harness a different kind of power source: sound waves.

然而，韩国科学家想驾驭一种不同类型的能量源，那就是声波。

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To verify the accuracy and reliability of the system, contrast tests on reference sound power source and small motor are performed respectively in a semianechoic chamber and a common room.

为了验证噪声检测系统的精度和可靠性，在半消声室和普通房间内，分别对标准声功率源和小型电机作声功率对比测量试验。

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The traditional pyroelectric sensor (or a sound sensor) and the combination of light source, without reserve electric wire, place the product directly on the lamp and turn on the power.

将传统的热释感应器（或声音感应器）与光源结合为一体，?必预?管线，只须将产品直接安装在灯座上，打开电源即可使用。

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