通过实验和现场测试验证了该系统的有效性和工程实用性。
Its effectiveness and applicability are verified by lab experiments and site tests.
由于减少了外围器件，使可靠性提高，成本降低，通过现场测试验证了这种电源的节能功能和强有力的保护功能。
Owing to less electronic elements, it can get higher reliability and lower cost. The test proved the power source has high power-saving effect and strong protective function.
根据现场实测数据，对兰州地区铁路噪声进行了预测，并且通过实际测试验证了该模型的合理性。
According to the scene measured data, the prediction of Lanzhou area railway noise has been carried out and this model rationality has been confirmed through the actual test.
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