To switch between modes, an additional check is required in each pass of the main program loop.

要在模式间进行切换，需要对主程序循环的每次循环执行额外的检查。

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GTO dc chopper is adopted for the main power supply while the switch mode control with derivative feedback loop is adopted for the main controller.

主电源采用GTO直流斩波器。主控采用带微分反馈环节的开关斩控模式。

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Large number of loop operation, especially the electromagnetic loop operation, has made the fault current excess the switch capacity.

由于大量的环网运行方式，尤其是电磁环网运行方式，造成电网短路电流超出开关设备容量。

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Sublime back-play seemed doomed to failure confronted by a solid defence - but Evans and Jordan Turner-Hall executed a lovely loop-switch that released Monye to score on the left.

BBC: Harlequins 26-13 Northampton