For fuel cell is used as the DC power of inverter, a voltage pumping circuit for releasing nimiety regenerative energy was researched. 针对燃料电池供电的伺服电机,研究了一种用来释放多余回馈能量的电压泵升电路。
And the situation that the water unbalance in plant caused by soil water stress nimiety or high atmosphere humidity could seriously influence the plant growth 、 output and quality, is named as waterlogging. 而因土壤水分过多或过高的大气湿度引起植物体内水分失衡,进而严重影响植物生长发育、产量及产品品质的情况,称为水涝或涝害。