PE teaching to the punily community is the very difficult part in colleges.

高校弱势群教工作教领域1个难点。

But with new exploit of astrospace, our form are more punily,when we can meet a few ants which can touch palps then look at each other a long time and eventually embrace each others tightly?

但随着宇宙空间新开拓，我们型更加微小，什么时候，还能碰见几只可以碰一下触须，然后对视良久，终于紧紧拥抱？

The structure of the MIGmust be carefully selected, as the tiny change on it will affect beam performance highly, and beam current will fluctuate punily.

同时，还发现由于阳极结构变化导致阴极电场分布变化，使电子注注电流在各因子变化过程中出现微小扰动。