ϷеϷdz֪࣬͵ϷҪǰڽжߣͨݻٵзأڶʱƽaǷdzؼһַѧaڶԾռѹԵƣӢϷΪ̴aĶɣϣҶܹΪһa֡
ϷA߷ȫѧ
һͨλȡҡ
1aֱȡĺҡڴһͨҼйģʵ¿ֱҼѡĿ꣬Ȼͨƽa֮ٿٵذƶҪ
2ȻӢ۵ƽaͻᱻƶָ棬ʵ˽ƽaʱ䣬ʹãԽʡܶʱDzܶ©ıߡ
A
1ܶϲֵҶͨƽaйƣһǹͷΧçײߵ˵ķȦܹڶǿԼIJٶȣһֵѹתϣƽa˿
2ѧλͿƵʹҼλȻﰲȫλúٿٵݼaƽaȻٴͨĵһλȡҡ֮оͱȶԷ˺ܶࡣ
ʹSH
1aƶĹнͨҲֽзΧЩҾͻйʱҪõshˡ
2sͻֹͣ㵱µΪָҲͲҪһڵƽaͿֹͣadcͨsֵ㿪ƣҲλеܾϣҿԶϰգǺܺѧģľһӦٶȡ