 New Roman">Y</font></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'">条轨道，从左数第<font face="Times New Roman">X</font></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'">个格子中。</sp