【简答题】Steve Jobs on life and death When I was 17, I read a quote (引述) that went something like: “If you live each day as if it was your last, some day you’ll most certainly be right.” It made an 1 on me, an...
【判断题】过盈联接是利用材料的弹性变形,把具有一定配合过盈量的轴和孔套装起来的联接。
【单选题】下列生理活动中,属于负反馈调节的是( )。
【判断题】When Steve Jobs went to a calligraphy class and thought this class would have a lot of practical application to his future life.
【单选题】在群G中方程ax=b,ya=b, a,b∈G都有解,这个解对于G的乘法来说是( )