Practice intensely, without interruption for short periods of no longer than 90 minutes and then take a break.
集中练习。持续无间断的不超过90分钟的短周期练习，然后再休息。
The organic PV device allows for continued operation even when short circuits develop or electrical interruption occurs in one of the cells.
即使当在其中一个光电池中发生短路或中断时，该有机PV装置也可以继续运行。
Instantaneous supply voltage drop short-time interruption and voltage change of power supply network;
供电电网电源电压瞬降、短时中断和电压变化；
Instantaneous supply voltage drop short-time interruption and voltage change of power supply network;
供电电网电源电压瞬降、短时中断和电压变化；
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