һµߵλӰ
ΪġΪǵĺľȫ嵳ԱĹͬж졣ǵĸǵּ·ߺ֯ԭļ֡ߴͨϵĸ֯淶Ϊǽ˹ڡ͵ĵԼν赳ĺ⡣ͼǵĺΰĿָ꣬ǰĵ

ѧϰµĺļֵҪ
²һ淶Ϊһ۵۾ı䡣ÿһεĶ̺˵۳ɹ絳Ķʮʱйɫ˼д˵֮СѧϰµḶ́ǶԵ۴³ɹգǶԵԱͼҪ⡣Ϊṩжָϣϸ涨˵ԱʵʹӦѭԭͼҪҪǣͨµѧϰܹᶨǿĸʶᶨĸšתΪƶǿ
ѧϰ²ʵ
ѧϰ²ǼĶҪ˼ʵӦõĹ̡Ҫжı䱳ʷ塣Ҫѧϰ幤ʵϣճѲӹУԵΪݣǿʵЧ֪кһµҪʵÿһ֯ÿһιʵУʵжάµȨ
ÿһλԱӦýΪԼжָϣͨϵͳѧϰ£ͳһ˼жΪʵлΰ˵йṩʵ֯ϡǹͬѧϰʣΪƶҵչ
