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通过对某654拖拉机驾驶室噪声源的测试与分析，确定了影响驾驶室噪声的主要噪声源。在此基础上提出了降低该拖拉机驾驶室内噪声的建议，并进行了模拟降噪试验。
Through testing and analyzing the noise source of a 654 tractor cab, the main noise sources that affect the cab noise are determined. On this basis, the suggestion of reducing the noise in the cab of the tractor is put forward and the simulation noise reduction test is carried out.