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1.???????? 

δѹʵ?Ĺ?̬ˮ??????޷??????????Լ??????????Ӷ??????????³??????𲻾??ȡ???Ҫѹ????????????????ˮƽ??  

2.??ש֧?ܽŲ??ǹ̶???  

??ĥ???שʱ???????ƶ????Ӷ????¸߶Ȳ??졣??ҪУ׼֧?ܡ? 

3.ʹ???˺ܳ?ʱ??Ļ???ֻ?滻???????????𽺿??һС???֡??¾??𽺿?һ·ʹ?ã????Ҹ߶Ȳ?ͬ???????׹?ש??ͷ????С??һ????ש?и???????ƶ???????Ϊ???֣??ֶ??͵綯?? ?ֶ???Ϊ???????ͣ??Լ?ͱ?Яʽ???ֶ??Բ??ש?и???????򵥣?һ??һ??̣?һ????2????ѧϰ??3??????и?޵?Ϋ?????????ˮ???޳???????????????????????ȫ????Ч?? ??ש?ӹ??豸??Ҫ?ɵ绡?׹???ʹ?ש?и????ɡ?????????????һ?????еĴ?שװ???豸????Ҫ?????մɼӹ???ҵ?????????δ?ש?͵ذ?ļӹ??????ص??Ǽӹ????ȸߣ??ٶȿ졣?滻???н?ˮ????滻????????????  

4.?????????¸߶Ȳ?????  

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