在试验测试基础上，从响度、粗糙度、尖锐度和抖动度等方面对车内噪声品质进行了对比分析。
Based on experiments, the qualities of in-car noise are compared in terms of loudness, harshness, sharpness and fluctuation.
详细分析了继电器抖动测试试验过程，以及在此试验过程中瞬时通断测量仪的作用。
This paper summarizes the relay twitter test in details, and explains the function of instantaneous switching instrument during this test.
详细分析了继电器抖动测试试验过程，以及在此试验过程中瞬时通断测量仪的作用。
This paper summarizes the relay twitter test in details, and explains the function of instantaneous switching instrument during this test.
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