The unipolar transistor has a negative polarity or a positive polarity in accordance with the first terminal or the second terminal electrically connected to the unipolar transistor.
单极晶体管根据第一端子或者第二端子电连接于单极晶体管而具有负极性或者正极性。
2
Before connecting this unit, please make sure that the input and output terminal, and the positive and negative polarities of output terminal are on the right position respectively.
使用时请注意区分输入端与输出端，以及输出端的正负极性，核对无误后才能通电；
3
Results show that there is significant positive relationship between estimated implied terminal value, realized implied terminal value and future abnormal earnings;