C60 is a good electron acceptor, can make D-A molecular which is applied to photovoltaic devices designing;
是一种良好的电子受体，能形成D-A型分子体系，从而用于光电器件设计；
2
So, for example, if we needed to figure out the electron configuration for titanium, 4s2 it would just be argon then 4 s 2, 3d2 and then we would fill in the 3 d 2.
所以举个例子,如果我们需要解出钛的电子构型，它会是Ar然后，然后我们填充。
3
Effect of annealing on electron field emission properties of the a-D films was also studied.