The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.
从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。
2
But the same system is used to control phone, power, traffic systems. I think that's the real threat.
但相同的系统被用来控制电话，电力和交通等系统，我想这才是真正的威胁。
3
Mervyn King, the governor of the Bank of England, will assume responsibility for the stability of the financial system and control of the credit cycle, while retaining power to set interest rates.