????????????????ƽ??????λ??ʼ????????????????????Ĵ?????Ҳ?𽥵ķ?չ??????????????ɵ???????Ԫ???????????Ԫ??????

ֻ??ÿ??һ???????Ԫ?????ﵽ?۷??ʱ??????ͻ??????????????????һ????Ԫ?ֻء???

?˽?????ЩѶϢ??????Ҳ?????ˣ???Ҫ?????????ԭ??????????Ҫһ??????????ʹ????????

???䣡????

???????Ķ??????һ??ԭʼ???ֵ?ʱ?򣬷?گͻȻ???ѿ?????????һ????????????????

????????ʶ???ſ???ͣ????ǹ???????????ȥ????

˲?䣬????????????ĸ?Ӧ????ԭʼʥ??????ת???????????ԭʼ??????ѶϢ??????????Ҳ?ڽ????????ﵽ???????Ʒ???۷塣??

???????򵽣??????گ?????ǵ????????e?????һ????????ǰ??????????д?ġ???

?????????в?û?e???????????һλ????

һ???????µ???????ǵ???????????????ɢ?????????????ա???????ʶ??ȥ??ע?ɵ?????????ʱ?Dz??????ѶϢ???????????????????

???ڣ???????ȫ??????????????ĸ????c???????????֣???Ȼ???أ??????????Բ???ľ??磬??????Щ???ġ???

?????ٴ????ѹ?????ʱ?򣬲??????Ѿ?????????ա????󻺻??????۾????o??Լ????Ǿ??????????????¡???

???Զ???һ???????????֪?????Լ???ԭʼʥ???İ????£??????ȷ?????˺?õ????¡??ľ??õ??˼????????????ʵ???ϣ?????ʱ?䲢û?ж?õı仯????

?ջ?????????æ?o???һ?????????????????????ɱ?֮ǰ????????????????̫?ࡣ????????????Ʒһ?ٽ???Ϊ?????Ʒ?????????????˲?????????c?(δ???????)