ִУѡһҺõаڼҳͺ˵Ҫ
һ棬ƷаܹЧҳչ˺ӷٵ⡣ҳԣѹʹںӷѧֵչˡƷаṩȫѧϰͻܸӵĽͣüҳΪӵѧȫǡͬʱаרҵʦԸҵ˼ҳڸѧϰϵĸ⣬˫ְͥ˵Ʒаǽںӷѧչ˵ȼü֮ά˼ͥȶ
һ棬Ʒаڴٽӵȫ淢չаУӿʦָ¸ϰ칦Σ֪ʶԤϰ֪ʶӶõѧϰݡңаḻʵȤСܹӵĸȤãúӳַԼDZͨϰߣרעʹܹõѧϰϰߺϰߡ磬ʦĿ꣬ƶѧļƻʵĿꡣУӵҿõߣܹԼԼΪȺãμĻںϰ߹гֵ⣬ʦҲἰʱѲϰ߶ɱҡ
ԶаݺӵʵƶԻѧϰͬʱѧϰȤͶֺӵȤ㣬趨СĿ꣬뽱յѧϰѧϰѧϰöѧϰԴȣעӵѧϰѹģעӵ仯Уͬٽӳɳ
֮ѡƷаࡪԶаǼҳ֮ѡȽ˼ҳչ⣬Ϊӵȫ淢չṩõƽ̨ԼͥͺӵδŻӰ졣
κʱⲻķѡһҺõаҪԲԶ
оΪȨ棬벻Ҫǰ֧κηã
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