3552* +xE nS E] * V V Mn xP] * i ʮxɨ SJ] * Ih BE x Mi **1** **w*** i֨ ʮ h ʮ h * ɽnS Unx **w** +fi|iS vɱ * xɹ] Sbɳ iɱ * Ih x Mi x * E`ɺ ʮ hi **2** +xi nS ڳ * Vɱ ɱE ɤɳ * Vɱ ʮxɨ xɨdz * MMVɳ { V **3** ʮ hi iɮ * ɽn MhE x * E]h ʦɱ =rʮ * E`ɺ ʮ hi **4** ʮʴh Vx xE ƪ * V n{hS Uɪ * hx iE M {ɪ * ɮh iɪ Һ **5**


Oliұ MS +M Oliұ {fS +M +MS +vɪ