չľٰ˹ҵشĿƸרš쳤޹˾ǧҵṩְλ˱1˽ְɾҵΪ30%
Ƹֳ췽оί½ѵڽܼ߲ɷʱʾ˴βλҵ漰պȸ߶˲ҵԴ²ϵ˲ҵʯͻװ졢ϢҽҩȴͳƲҵ²ҵشĿشĿҵȡ꣬иشĿ˲ȱھ1࣬ĿƽĿǰ㱾иشĿ˲ȱڴ6ࡣרҵ𿴣еӡұ𡢻ԴҽҩպȰ˴רҵ˲ΪСͬʱĸ߼˲šƸϣشĿṩĸְλ40%Ǹ߼˲ţ60%ڸ߼˲šˣӦҵھҵʱкܶģ񺽿պ졢ʯͻϩȶǷǳҪӦҵ˵ġ
쳤޹˾Ƹűڽܼ߲ɷʱʾŴؽ貽ļӿ죬쳤޹˾ԱƸѾȫ濪ʼչ˾ļƻţ꽫Ƹ200ҵԱԱͼܹ˵ıԼΪ11ԤƵ2011꣬Ҫ2000ԱΪʵִ족ܹ˽ʵĿĿǰԱרҵҪȽϿȲӹרҵе졢̼ǺܶУõרҵűƣĿǰѾͱ󡢿ƴ󡢹ԼеְҵѧԺȸУ˶ԽϵרŴӸУļպ˲šԱȫУ˶ʿоͲʿоƸܹ˽ʵ±
