i</span><span style="font-size: 10.5pt; font-family: 'Times New Roman'; mso-spacerun: 'yes'">,&nbsp;B</span><span style="font-size: 10.5pt; vertical-align: sub; font-family: 'Times New Roman'; mso-spacerun: 'yes'">i</span><span style="font-size: 10.5pt; font-family: 'Times New Roman'; mso-spacerun: 'yes'">，表示在第<font face="Times New Roman">i</font><font face="宋体">个回合，从第</font><font face="Times New Roman">A</font></span><span style="font-size: 10.5pt; vertical-align: sub; font-family