еƸ˲ʱϲӦƸߣ“ԼЩȱ㣿”е˵˹ƴԼûκȱ㡣ʵҲҪ֪Щȱ㣬ĿҪӦƸߵٳӦΡֻ˽⣺ӦƸмɵرԼȱ㣬ĸʡ
ôô˵ȱͬʱֵõԹٵʶ
1.˵빤صȱ㡣ΪijЩȱ㲢ӰδĹ֣Ƚϲİ˽̸ӦоʵĹȱʵӰδı֡
2.˵ԼŬĽҪ¶Լȱ㣬ҪûиĽij⡣ֱӸ߶ԷԼЩȱ㣬ĿǰŬظĽЩ˵ӢãԸ߶ԷԼμǿѧϰμԿγ̡ĶӢı־տӢĿ
3.ȥʧܽѵȥΪԼijЩȱɵĴʧܵľ飬Ȼ߶ԷεĽѵѧϰʲôöԷ֪һ֪ܸĵˡ