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                   1.還锟絔锟叫侊拷锟矫硷拷锟斤拷锟紸锟斤拷模锟斤拷使锟矫碉拷锟斤拷要注锟解對锟紸锟斤拷模锟斤拷锟組锟叫凤拷锟給锟斤拷锟斤拷锟皆猴拷锟轿碉拷锟斤拷锟斤拷锟较诧拷锟酵凤拷锟疥布锟組锟叫凤拷锟絯锟斤拷锟斤拷止锟斤拷水锟組锟诫對锟紸锟斤拷模锟斤拷锟斤拷山锟斤拷荨锟�

                   2.使锟矫硷拷锟斤拷模锟铰的圓锟斤拷模锟斤拷要注锟斤拷锟斤拷锟絉锟侥擺锟斤拷锟斤拷锟斤拷锟斤拷锟絊锟斤拷處锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷規(gu锟斤拷)锟斤拷锟侥擺锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絬锟侥時锟斤拷锟矫凤拷水锟斤拷锟組锟叫憋拷锟給锟斤拷   

                   锟斤拷锟较撅拷锟斤拷小锟斤拷锟斤拷锟斤拷痛锟揭凤拷锟斤拷锟侥冿拷(n锟斤拷i)锟斤拷锟斤拷锟斤拷要锟剿斤拷锟斤拷锟斤拷P(gu锟斤拷n)锟节圓锟斤拷模锟斤拷锟斤拷锟斤拷P(gu锟斤拷n)锟結訊锟斤拷锟斤拷請锟絕锟絤(x锟斤拷)锟絇(gu锟斤拷n)注锟斤拷站锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷锟皆�锟斤拷