(1/2)ҳ
DzǾͽ
ûС
ڰԨܿ¡
ʦ˵עԨʱԨҲע㡣
Ԩһһ˲֪˽ȥ
ĺڰС
ҷ֣IJƽǹƽ֡
dzIJпҲdzƽƽÿһ˶Ҫ
ҷ֣µģԨġ
еʱһ˺ܲƽȴΪƶٵ˵֮Ὺ˰˰ȴҪһӲܴﵽ
ôһٵĹ¡
ʮǰһֵ˵Ĺ¡
ֻһλͨĴũ庺ӣһɰŮʮǰŮѧԺһ꣬Ϊӵһγܣı
Ӻ֮ͻȻʧ٣ãڵصĺӵһŮʬijЩйزŵļԼӵļ֮Ůʬ϶ӡ
ǣ
֮ĸסϸܱ߱߳ȥѰԼϱΪָԼĸĸԼûɱˡ
ǿĸĸʼΪԼӱܵļ֮·ΪܣĸױŸ֮ĸױϹ·ˣڲʹ֮а£Ŀ
˵ĸʱ۾ôնղϡ
ΪԼĶӣֵϸϷãյֶۣʮֵ֮ĸѾϷãΪеǮùˣһǷһծ
ΨһŮҲΪ£ܵͬѧʦżѧʮֻȥ
Ϊֵ飬üĸݶΪ
תһǰȥͻȻصϼңӴյ۹̽ףҲҿһԩࡣ
ں֮һ֮ȥյ۹·յijЩ̼ƫһֱʮ֮ѣżǵԼ
λ⳥
ڣǾͻȻںӵŮʬҲû
Զ֪ʮһͥƻжԭҸļͥһͻȻںӵŮʬɢ
µĵطڣ˻˵˵ʮδܹ
Ҳ룬һֱֵĻôǷһֱ
˵Ļô
(1/2)ҳ,һҳĶ
ǩĶ