求翻译：随着现代水电机组不断向高参数、大容量、自动化方向发展，一方面极大地提高了电厂效率，降低了成本，给水电企业带来了巨大的经济效益；但另一方面，设备一旦发生故障，所造成的损失也是不容小视的，维修费用和时间都将成倍增加。因此，在对设备可靠性提出更高要求的同时，迫切希望能有一套科学合理的诊断理论和技术，能对设备的运行状态，进行快速、准确的诊断，以保证机组不发生事故，或一旦发生事故，能限制在最小范围内。是什么意思？

As modern hydropower units to the development of high-parameter, high-capacity, automated direction, on the one hand, greatly improve power plant efficiency, reduce costs, has brought great economic benefits to the water and electricity companies; the other hand, the equipment in the event of failur

Water and electricity in the modern high-parameter to units, large-capacity, automated direction development, on the one hand has greatly improved power plant efficiency, reduce costs, to water and electricity has a huge economic benefits; but, on the other hand, the device in the event of a failure

Along with the modern water and electricity unit to the high parameter, large capacity, the automated direction develops unceasingly, on the one hand the earth enhanced the power plant efficiency extremely, reduced the cost, has brought the huge economic efficiency for the water and electricity ente

As modern hydro-power units continue to the direction parameter, large capacity, high automation, greatly improve the efficiency of a power plant on the one hand, reduce costs, and bring enormous economic benefits for hydropower enterprise; on the other hand, once the device fails, the loss was not

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