非平衡载流子
参考答案:
处于非平衡状态的半导体,其载流子浓度也不再是平衡载流子浓度,比它们多出一部分。比平衡状态多出来的这部分载流子称为非平衡载流子。
如图所示是小球做平抛运动的闪光照片的一部分,图中方格的边长为5cm,g取10m/s2,那么
(1)闪光频率是______Hz.
(2)小球运动的水平速度为______m/s,小球经过B点时的速度大小为______m/s.
If Task B has 15 days of free float and 25 days of total float, and the early start date of Task B is delayed 30 days, how is the project affected
A) The next dependent task's start date will be delayed 15 days.B) The duration of the task will be shortened 15 days.C) The completion date of the project will be pushed out 5 days.D) Both A and C.