硬件方面，检测系统由声学传感器，前置处理器，多媒体声卡和计算机四部分组成；

For hardware, it is composed of an acoustic probe, a preprocessor, a multimedia auditocard and a computer.

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硬件方面，检测系统由声学传感器，前置处理器，多媒体声卡和计算机四部分组成；

For hardware, it is composed of an acoustic probe, a preprocessor, a multimedia auditocard and a computer.

youdao