虽然未来年降水总量的变幅没有超过过去50年器测记录变幅，更不及全新世的降水变化量，但湖泊水量对气候变化的反映变率较变幅要大。
Although the future changes in precipitation are equivalent to the last 50-yr gauges and lower than changes in the Holocene, the speed of lake water change was much high.
辅助电源变流系统由晶闸管整流器和被测igbt逆变器组成，负载采用PWM整流器控制输出电流。
The converter is composed by thyrister rectifier and IGBT inverter, and USES a PWM rectifier as a load to control output current.
辅助电源变流系统由晶闸管整流器和被测igbt逆变器组成，负载采用PWM整流器控制输出电流。
The converter is composed by thyrister rectifier and IGBT inverter, and USES a PWM rectifier as a load to control output current.
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