直流电机感应电势的大小，仅和磁通的大小有关，而和（）无关。
参考答案：磁密的分布
满足不等式组-5＜6-2x＜3的所有整数解的和是______．
---Could you please go to the movies with me ?
---_______. I have to do my homework .
A．Yes, sure
B．Sorry , I can’t
C．No, you can’t
D．No problem
