ͨϵķʽַ˼άȻϣǾ˵ղȥͽbuffˡ
ָ߶˾ֶǷ˼άģͻַΪͽǺbuffǰַ˼άٷƲͽľbuffûǻװһ¡
ַоԼӶըˣ⿴ȥʵ̫ˣԼµĻԸĴҰ·ߣDZıȽϸ¡
ǸҺַߵģַٵԼеļⲨߣͳźӵDZܹȥˣԼҵĴҰҪҰȥˣַǰӵзһ¡
ӵзӵ˺ӵҰԼҵĴҰҲˣҰ˳ĺǽʱֱ˵ĶǶԵģĺȻû
ַ˷ˣԼҵĴҰٿʼҰַ߸СҰ֣ԼҵĴҰֱȥĺbuff
ٶȻDZȽϿģͽǰڷdzbuffټԼһҰˣ͵ֻ
ַϴҰҰ֮Ե421ѹ˶һͽֻҪDZɡ
ҰͽûλƵĴԼҰռ죬ĵһӦûǰֱˡ
ҲһdzǵѡDzԼҰĻ϶ᱻַץһҰûˣԼҲҪͳȥ
ⲨҰַͼص·ҰֱӻصԼĺٰԼĺɾǾԲܳȥץ˵ġ
ϿĺԺֱȥ·ַץһ²ǸõѡΪַʱûʲô飬ܹһץ룬ûдУҲûôܵȽɱ
һ·©ҰͽͻԼҰֱӽĺԼĺѾϰڴҰˣ϶ҪһЩá
ԴҰԲ·¶Ұ뾡صԼĺԼҰȫԲ淨ͽκĻᡣ
ͽʵûʲô취ֻȥ·ˣʱѵľãѾûʲô취ܹˡ
ַ뿴飬һȥ˶ѵľãԼͱȽϲֻԼĶҲ塣
Ҳû취İ취ҪDzԾõĻֻԽԽըû㹻ľãַͻͣĴԼҵĴҰǵҰزסԼҰֲ˵ԼҲһܹס
ַص·ѾʼѰɱĻˣո˶һҰַĵȼҪȶһģҪɱȽɣǰҪᡣ
϶ûôɵڴҰ·ûйԼ֮ǰǾԲģʱûѧϰwܣѧϰEܡ
кַƴ뷨ڶʱԻѧϰwܣΪwܲ˺ԸԼظһѪͬʱɼ٣ڶƴܹҪá
ѧϰEĿľԼܹܣһַʲô뷨ͿԼEܷߣַɱҲɱ
ͽ·߾ˣڴ˿϶Ҫǰ·֧ԮΪһˢ·Ұ·Ժһ·Ұˢ£˳·ֱӻȥˢҰȽϷ㡣
ǰڶһҰˢҰһټ·ĻĽͻ÷dzIJ
ַû뵽鷢˷ͽȻ·Ժ··һᡣ
ҲýַͣӢ۱ȱȽ϶̣ҲȽ϶̣ŵȷʵźǿķɱǰҪ
ַֻ4Լһɱ˼Dz̫ʵģǶַ御İԼ5Ѫŭˢ
ȼĸ߶ѡ֣DzַɵİѪŭˢģֻҪַץһ˰Ѫŭ4ʱǾͻֱܡ
ϹѪŭԲˣֱԶ˾ͿˣʣһڼַͲȡֳսķʽַûκΰ취ġ
ַûװ֧֣ԼͲ⣬Լ˺ͱɱοֳսòװһ˴ɰѪˣһѪĸԼ
ȷʵַû뵽ģûںӵ۾ҲûӦȻȥ·ץͽҲӦȥ·
ҰץDZȽǿģ֪ȥ·ץʲôᣬΪȫ֪Ҫȥ·ץһ˼ά
ܹ֮ڵ1³ĴҰ·ߣõľǷ˼άڷָʹһַ˼άֱӳ·
ͽӺӵ߹ַһӦǸϽܣַǴʡܵģֱӿܾܣܵȴʱһ㡣
ܵȴʱֻ180룬ֵ300ǿ˺ܶˣڰѼܸˣԺ͡ˣܱԼҪһЩ
һȷʵûɱַ壬ȴַٻʦܸƳˡ
ҲǶҰҪĿģֱ֪ӻɱַDz̫ʵģַ漲ܼ֣һ˹ץסдء
ٿˣһǷͽһ룬ͱ˵ˣСƶûУסַ壬ֱdz˵Σַ弼ƭһĹʱץһЩ
ַû˼ܣҪϵɱҲûôɣ뱾һλƣټһѴǼܣһλƼһܣַҲɱ
ͽһ߾ͱ֤ǰڵİȫַ֮ɱģӵʱȫ㹻ͽȥһȦٻˡ
֮ӦѾԼһҰˣٻʱֿԳץַһٴΰַļܱƳ
ܶŵ˵൱Ҫŵֱһȶ̵ֶӢۣҪͣĹзԷϴѪŭƶٶһdzҪĹؼԡ
ƶٶȲʱֻܱ治ͣķݣӢۣԼq֮qܵĹΧDZȽԶģȫԱܱͷq˺
qܹﵽַǰ֮£ַͨǴģַںƶٶȲǾҪԷһ·Ŵ
ŵӢµľǷˣԺܶڴ·ʱѡϻǰҹӢŵ֣ΪֱȽϳȽǿ
ֻҪ֤ŵԼ߶ѡֶܹһֱŵַһַǺģû֮ܵ£ȥλƵӢۡ
ӣַֻܽ뵽ƽʱˣȵԼҴҰʱ˿ѡõϿȷ棬ٴνҰ
ѡֱӿϿȷ棬ͽҲDzҹæģĺҲֻĿš
Ϊ1ĺѾûˣձȶĴҰٳһҰģⲨ˵ҪҪǸȥַûˡ
ַȫѡҰȻٻϿȷ棬һϿȷ滹ûУûˣ˴Ͽȷʱˢɾ
ڰͲַϽȥϿȷ棬Ҳܸ㹻ĻˢҰ·ҰѾˢˣڴˢ
ַߵĴҰ·һȥϿȷ档
ڿԼҴҰҪҰʱַϽⲨˣ뿴ַ־ٶһʱʲô˼ַ֪϶ҪȥҰˡ
ϽԼҵĴҰͨһ£ͽҲʼˣɶûˣǿܾˡ
ڿԹҰ֧ԮòرĴ֮ǰ˺Ƿdz͵ģҵ͵Ŀ
οַһҰվһ֮£ĹԮûа취ģ˺ͱȽϵִͣ涼ôѪ
û취֧ԮΨһܹľֻʣ·ˣ̫һˣһֱѹ·ıߣö·û취֧Ԯ÷ͽܻš
ַ岢ûѡҰֱӴϿȷ棬ַ濴ϿȷҪȶҰôöࡣ
ȷʵѡֶҰȻٻϿȷ棬һĻǴϿȷʱܾͻܵ··ĸš
dz··ǣţûа취֧ԮһϿȷõʱҲȽϿ졣
ܿͰϿȷϿȷ·ܹĽűֻҪ·ķˣͿԳˡ
еӢߵʱͦõģп˺ɹʺܸߣץ档
ȶСĿ꣬1סskjvvx;ֻĶַskjvvx
ָ߶˾ֶǷ˼άģͻַΪͽǺbuffǰַ˼άٷƲͽľbuffûǻװһ¡
ַоԼӶըˣ⿴ȥʵ̫ˣԼµĻԸĴҰ·ߣDZıȽϸ¡
ǸҺַߵģַٵԼеļⲨߣͳźӵDZܹȥˣԼҵĴҰҪҰȥˣַǰӵзһ¡
ӵзӵ˺ӵҰԼҵĴҰҲˣҰ˳ĺǽʱֱ˵ĶǶԵģĺȻû
ַ˷ˣԼҵĴҰٿʼҰַ߸СҰ֣ԼҵĴҰֱȥĺbuff
ٶȻDZȽϿģͽǰڷdzbuffټԼһҰˣ͵ֻ
ַϴҰҰ֮Ե421ѹ˶һͽֻҪDZɡ
ҰͽûλƵĴԼҰռ죬ĵһӦûǰֱˡ
ҲһdzǵѡDzԼҰĻ϶ᱻַץһҰûˣԼҲҪͳȥ
ⲨҰַͼص·ҰֱӻصԼĺٰԼĺɾǾԲܳȥץ˵ġ
ϿĺԺֱȥ·ַץһ²ǸõѡΪַʱûʲô飬ܹһץ룬ûдУҲûôܵȽɱ
һ·©ҰͽͻԼҰֱӽĺԼĺѾϰڴҰˣ϶ҪһЩá
ԴҰԲ·¶Ұ뾡صԼĺԼҰȫԲ淨ͽκĻᡣ
ͽʵûʲô취ֻȥ·ˣʱѵľãѾûʲô취ܹˡ
ַ뿴飬һȥ˶ѵľãԼͱȽϲֻԼĶҲ塣
Ҳû취İ취ҪDzԾõĻֻԽԽըû㹻ľãַͻͣĴԼҵĴҰǵҰزסԼҰֲ˵ԼҲһܹס
ַص·ѾʼѰɱĻˣո˶һҰַĵȼҪȶһģҪɱȽɣǰҪᡣ
϶ûôɵڴҰ·ûйԼ֮ǰǾԲģʱûѧϰwܣѧϰEܡ
кַƴ뷨ڶʱԻѧϰwܣΪwܲ˺ԸԼظһѪͬʱɼ٣ڶƴܹҪá
ѧϰEĿľԼܹܣһַʲô뷨ͿԼEܷߣַɱҲɱ
ͽ·߾ˣڴ˿϶Ҫǰ·֧ԮΪһˢ·Ұ·Ժһ·Ұˢ£˳·ֱӻȥˢҰȽϷ㡣
ǰڶһҰˢҰһټ·ĻĽͻ÷dzIJ
ַû뵽鷢˷ͽȻ·Ժ··һᡣ
ҲýַͣӢ۱ȱȽ϶̣ҲȽ϶̣ŵȷʵźǿķɱǰҪ
ַֻ4Լһɱ˼Dz̫ʵģǶַ御İԼ5Ѫŭˢ
ȼĸ߶ѡ֣DzַɵİѪŭˢģֻҪַץһ˰Ѫŭ4ʱǾͻֱܡ
ϹѪŭԲˣֱԶ˾ͿˣʣһڼַͲȡֳսķʽַûκΰ취ġ
ַûװ֧֣ԼͲ⣬Լ˺ͱɱοֳսòװһ˴ɰѪˣһѪĸԼ
ȷʵַû뵽ģûںӵ۾ҲûӦȻȥ·ץͽҲӦȥ·
ҰץDZȽǿģ֪ȥ·ץʲôᣬΪȫ֪Ҫȥ·ץһ˼ά
ܹ֮ڵ1³ĴҰ·ߣõľǷ˼άڷָʹһַ˼άֱӳ·
ͽӺӵ߹ַһӦǸϽܣַǴʡܵģֱӿܾܣܵȴʱһ㡣
ܵȴʱֻ180룬ֵ300ǿ˺ܶˣڰѼܸˣԺ͡ˣܱԼҪһЩ
һȷʵûɱַ壬ȴַٻʦܸƳˡ
ҲǶҰҪĿģֱ֪ӻɱַDz̫ʵģַ漲ܼ֣һ˹ץסдء
ٿˣһǷͽһ룬ͱ˵ˣСƶûУסַ壬ֱdz˵Σַ弼ƭһĹʱץһЩ
ַû˼ܣҪϵɱҲûôɣ뱾һλƣټһѴǼܣһλƼһܣַҲɱ
ͽһ߾ͱ֤ǰڵİȫַ֮ɱģӵʱȫ㹻ͽȥһȦٻˡ
֮ӦѾԼһҰˣٻʱֿԳץַһٴΰַļܱƳ
ܶŵ˵൱Ҫŵֱһȶ̵ֶӢۣҪͣĹзԷϴѪŭƶٶһdzҪĹؼԡ
ƶٶȲʱֻܱ治ͣķݣӢۣԼq֮qܵĹΧDZȽԶģȫԱܱͷq˺
qܹﵽַǰ֮£ַͨǴģַںƶٶȲǾҪԷһ·Ŵ
ŵӢµľǷˣԺܶڴ·ʱѡϻǰҹӢŵ֣ΪֱȽϳȽǿ
ֻҪ֤ŵԼ߶ѡֶܹһֱŵַһַǺģû֮ܵ£ȥλƵӢۡ
ӣַֻܽ뵽ƽʱˣȵԼҴҰʱ˿ѡõϿȷ棬ٴνҰ
ѡֱӿϿȷ棬ͽҲDzҹæģĺҲֻĿš
Ϊ1ĺѾûˣձȶĴҰٳһҰģⲨ˵ҪҪǸȥַûˡ
ַȫѡҰȻٻϿȷ棬һϿȷ滹ûУûˣ˴Ͽȷʱˢɾ
ڰͲַϽȥϿȷ棬Ҳܸ㹻ĻˢҰ·ҰѾˢˣڴˢ
ַߵĴҰ·һȥϿȷ档
ڿԼҴҰҪҰʱַϽⲨˣ뿴ַ־ٶһʱʲô˼ַ֪϶ҪȥҰˡ
ϽԼҵĴҰͨһ£ͽҲʼˣɶûˣǿܾˡ
ڿԹҰ֧ԮòرĴ֮ǰ˺Ƿdz͵ģҵ͵Ŀ
οַһҰվһ֮£ĹԮûа취ģ˺ͱȽϵִͣ涼ôѪ
û취֧ԮΨһܹľֻʣ·ˣ̫һˣһֱѹ·ıߣö·û취֧Ԯ÷ͽܻš
ַ岢ûѡҰֱӴϿȷ棬ַ濴ϿȷҪȶҰôöࡣ
ȷʵѡֶҰȻٻϿȷ棬һĻǴϿȷʱܾͻܵ··ĸš
dz··ǣţûа취֧ԮһϿȷõʱҲȽϿ졣
ܿͰϿȷϿȷ·ܹĽűֻҪ·ķˣͿԳˡ
еӢߵʱͦõģп˺ɹʺܸߣץ档
ȶСĿ꣬1סskjvvx;ֻĶַskjvvx