??????ʽ????Ҫ?Եľ???_??????ʽ????Ҫ?

(????ͼƬ?????ο?)

1??()??ǿ??????ʶ?????˶???????ʶ??չ??????ʽ֮ǰ???컪????͹???־???????????????Ҫ??????????ϧ????Ҫ????????ͨ????????ʽ?????????׶????ܻش????????????ֽ??ҹ??׶??????ҹ?????ǽ?????еȵ?ѧ??????????ʶ?????????? (??)????С???ֻ??????ѧ??????????????????С???ָ?????????׼?ɸ?????ʦ?????????????н???????????????ij?????º??ӻ??????ֽϺá???ģ?????ú??Ӷ???ѡ??ѡ?Ϻ??ӵ???????С???ֱ?־ʱվ??????֪???Լ???????ͬ??????ʦ?϶????˼??延ӭʱ?????????????????øк??????дӶ???????ʹ?Լ????????÷?????չʹ?ŵ??ù???ͨ????ѡС???ֻ?????׶?????Ҳ???˴ٽ????ü?????ѧ???ܷ?????˼??Ŭ??ʹ?Լ??з??Ϲ淶Ҫ????ȡ??????С???? (3)??ǿ????????????ѧ?????Ա?????????????ʽ???л???С????Ҫ?????????ҽ???ʱС??????????ij?˶?ȫУѧ????????ѧ???????????????а??????ǻ??Լ??ܳ????ֶ??й??ٺ??Ժ?Ҫ???Զ??????????Լ????м????????? (??)??ǿ??ʦ???θ???????????֯??????ȫУ??ʦ???????????˽???ȫ԰ѧ??ȥ??ʶÿλ??ʦ???һ???ǿ????ʦ???θг??ַ?????ÿλ??ʦ??֯????Ҫ?Ѱ??????????????ݺ?֪ʶ????ͬ??ʽ????ÿλѧ????ʦ??ǰ?????????ó???׼??ע???Ѽ????ϱ?ֽ??־???ҵ????????????????????˺???ȥ?һ?Ҫ?Ѳ????????ö̶?ʮ???????????׶??ܹ????ⷽʽ?????׶????????˽?ʦ֪ʶ???????˽?ʦ???????ƾ???ʷ??ͳ?Ļ??˽⻹?????˽?ʦ˼???Ļ????ʺ????Ա?????????

???ķ??????ϣ?ϣ???Դ?????????????