ҳ ֲ ؿ ע ڰ
ӢվṩӢѧϰƷĶءӢվעΪӢĻԱøƷĶŻݡ
ȱעΪӢĻԱܻصķѡĻ˵ġעťעΪԱ
2ѧϰԴIJƷ
ͨվIJ˵ʵֲƷIJֱʹٱѯǵIJƷͨƷ ʹѧeûֱͨعܽIJƷصĵϡ
3Żݣ
ͬĻԱȼڱվƷIJͬŻݡϣ˸лͻرǵû˵ŻݷȣԱ½ҳѯ
4ѧϰ
ǵIJƷ֮ͿʹòѧϰˡǵIJƷкظµȹܡԣбҪ½ǵվøϢͬʱվϻСйѧϰ²ϸ£ҲáͬʱҲϵϣǵIJƷṩĻ