3922* +M ɨjf JɺiS {ɮ * ˽b PɮPɮ SbɳS **1** **w*** +iV JSb Pii Mx * Mɳʪ|nx ɪɤʽh **w** =kɨE Vx jf +Mɳ * bʴɱ E =ɪi **2** iE h B EɪMS Sɱ * l bʴɱ +Sɮh **3**


Oliұ MS +M Oliұ {fS +M +MS +vɪ