We shall take the typical emitter - to - base resistance as about 250 ohms.我们取发射极基极电阻的典型值为250欧姆左右.We have been considering the transistor with a current fed into the emitter.我们所研究的晶体管都是把电流馈入发射极.The base region is always ...
He avoids any eye contact, quickly averting his gaze when anyone approaches...他避免任何眼神接触，一有人靠近就把目光迅速移开。These results underscore the value of rescue medications in averting psychotic relapse.这些结果显示了救护性治疗对避免精神病复发的价值.He avoi...
他们还留下了一张名片，上面印着肖恩·林奇的名字。They also left a card, imprinted with the name Sean Lynch.莉萨对男朋友肖恩吊儿郎当的态度非常恼火。Lisa was irritated by the slovenly attitude of her boyfriend Sean.肖恩·麦卡利斯特也为校篮球队效过力。Shaun McCalister also played for t...
射击运动员连扣板机,弹无虚发.The marksman squeezed off successive rounds and every one told.你知道那枪的板机拉力是多少 吗 ?Do you know what a trigger pull test is?出口应该是冲床,剪板机,滚扎机.每样两台.Press break machine , hydrolic shearing machine and cnc sheet ro...