(1/2)ҳ
лٽϣžӦ´ˡ
Կһֱʱǿ൱
Ͼʮ㡣
ȵӦڽϣͿʼſڿʼ롣
ŸղŷĶһȥʵ췽ԿԻؼȥԷģDZϾǵһѧ;¡
ʱʳûв̵ģԴļһ¶Դ
ƷУ´룬ôӡ
涼ԼصļǺţôˡ
ǰ棬棬ȵԼĶȥʳõʱ꼶ѧѧǶѾˡ
Ҳûϵʳ翪ʱ1СʱֻҪһСʱڹгԵġ
ѧBJƱƱÿ30ϸƱÿ5ŶӴƱÿ½2š
첻һ쿪УѧУÿͬѧӲͣմΣÿ
ڽʳͷѡ
˸ʳаײܲ˿Ƭѡ
ˮײˣһЩǶƮ棬˲òɣӦǰײϴ汾
ʳúŴƱĻһƱԻʦҲ۰ǣǮһעмëһ
ʱİ̻ǽܣͨڻиڲŷڣDZṩͼȻƱҲҪõġ
ÿÿΣǷˣ۸ëëȡ
Ҳûͺͬѧһһܲ˿һëǮһƱһݸƱ
ʳýиͰ߹ȥܿƮżƬײҶӣռӰҪǮܹ
һͶվأǵҪǮ0.1ƱҪǮ0.1Ʊ
ƱСͨλΪҲ50ˣʳơֲȯ1ƱΪ10š0.1ȯޱʳʹá
ǿȷƻַѧԡ
һ̫鷳ˣɴ
ĸûʲôˮܲ˿ʵеûɶθڣѧǶȻijţҲ
㣬ЭͳϰˣղƱǸˡһԵ˵
ӲҲ˵
˵ҸղŰѰײܲ˿Ƭ˶˲ǷֿǮġ
⻰ǵһԵС¸ֱ֡
ӲŶ˵ķУ˵
˶࣬ǶæԵ㡣
ȵݵǰ
磡
áڰ֡
Ȼֵݵϼǰ
ϸ磿
ϼһۣͬҡҡͷ
ˡ
ŵݵǰҶûɶθڣҪ̫ⷴˣǰʱǶЭͳѵԱء
ӲֻһߣŶźһк
϶ţdzԵ
ӴллһҲûͼһӡ
źͬһӣȻʵ
֮ǰЭѳ
Ӳͷ
ѽŪ㣬ҳԲôࡣ
źְһӣ̾
üһȻ̫ҽԺDzһ
һҲ˹
˶Եͦ㣬һЩԼӼĶͬѧǷоһͬĴͬѧһƿ˶㡣
滹˳ĻΣһζܵ˲˵
һȦȥֻʣ֮һƿˡ
һ߳ŷˣһ߸ĴѧΧ
ϧѵҪھѵһ£ζˡ
1977ָ߿77ѧѧϵͳؽѧѵδճ̣ѵһƶֱ1980ڲ
ԷûѵֱϿΡ
ͬѧ⡣ʱһӵݵ˷ǰȻĺ⡣
һȻ־ʵ
ǣɶطŪģ
־˵
DZר˵Ĵڡ
Ժ˶ָķȥ
˺Źʵ˶DZŶӣŷӦ
ʰĴڣ
û־ͷ
Ȼŷ˵
Եɣ
ҡҡͷ
ˣҲͿôһ㻹Լɡ
־һԼȻһαװĺĽ
ʱסˡ
ʱҲһŷ˵
DZ߶˲⡢ǴŹǡ㡣
ʳζȫDZߴġ
֮ǰʱŵʳʱΪ緹Եʱȫˮģζû
ŵ˵
ʹȯǴڲƱ
ҲмȯŹȥԣʹˡ
˵껹Լ´չʾк⣬ǴŹǣðĶ
һǰŷ˵
ƣҸղϸȫǾϸʳӡ棬£Ϻعġ
нʳƷʲôŰɰǣ²ͷ
ˮҲ֪棬ƾ⼮ѧ֤ÿÿһ
ǰɣôΧͬѧʶDzʶģĿ˹
־˵
ܵʳóDZߵĴڣǻ
˵ÿӼԼǿȻ°°͵ĽȻôȥ
ЦЦԼܽ
ͬѧܾЩˡ
ǿƽѧУʳﻹвƽĵط
һڸڲԶĴڡ
Ȼ˼ȷʵҲȯ
磬㣬ҳԲôࡣ˵ֱӾͰŹﵹ
˺ˣһζˡԸæֹס
ŹǣһһԵϼ
ȥС
õԵŹǣֵĻǺܸ˵ġ
Ϸ˶ûԼˡ
ȻԼǶԪϰ
ȻˣôҲû֪Ժϼʶϼʦѧҽ
˼ҲѣûֵʦֵܣDZȲˡ
־͵dzΪΧ˵Ľ㣬ҪdzԵĶ̫ˣѾЩڴˣҪ˵Ƿأ˶Ҫ
ҲǺȥģ϶ﳵȥЭͳԡ
Ժ˵ˣȥסȥԣʱӭ
ⲻ⻨ȯ㰡
ʱѾԵIJˣȷʵɤӣˮܲ˿ͷӣоҭûţָоɶҲûԡ
ΨһܼסľdzһζŹǡ
죬һ緹Ҳˡ
˳Ҳ½½ȥϴȥˡ
Եŵdz꣬ûߡ
ȻǾͿѧУʦҲˣڽʦڴõǷƱ̵ģֱӵݹȥǮ
Ȼʹڷ棬ƷȻûйʴôãʵҲϺͶֱҽԺҽ˲ࡣ
ԳԱû㣿ʱþûн·ʱ˷ԣкӶͳƬƱ˼Ҫд
үһֳʣ²ѧǣĿⶼͶ˷ԡ
üһѧУϽҲʶ
ͷףһ߰ʮˣϽˡ
λҽоķˣԸæӦ
ллڣҳԱˣ
˵
ҿɲˡ
Ц˵
¿š
үŶߵʦڣʼŶӴ
½½ѧУ쵼Ҳˡ
(1/2)ҳ,һҳĶ
ǩĶ