4.这里使用了这两种方法的结合来设计共发放大器 (common-emitter amplifier). Here a combination of these two methods is used to design a common-emitter amplifier. 5.这两个值相差( differ)多少? By how much do these two values differ? 6.当A与B交成60°时,该物体已转了多大的角度? By through what angle will the body have turned when A makes an angle of 60 with B? By how large an angle4. 这里使用了这两种方法的结合来设计共发放大器 (common-emitter amplifier). Here a combination of these two methods is used to design a common-emitter amplifier. 5. 这两个值相差（differ）多少？ By how much do these two values differ? 6. 当A与B交成60°时，该物体已转了多大的角度？ By [through] what angle will the body have turned when A makes an angle of 60 °with B? By how large an angle …