A、<span style=";font-family:宋体;font-size:14px">基本</span><em><span style="font-family: 宋体;font-size: 14px">R-S</span></em><span style=";font-family:'Times New Roman';font-size:14px"> </span></p><p><br/></p>
B、<span style=";font-family:宋体;font-size:14px">主从</span><em><span style="font-family: 宋体;font-size: 14px">R-S</span></em></p><p><br/></p>
C、<span style=";font-family:宋体;font-size:14px">主从</span><em><span style="font-family: 宋体;font-size: 14px">J-K</span></em><span style=";font-family:'Times New Roman';font-size:14px"> </span></p><p><br/></p>
D、<p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px">边沿</span><em><span style="font-family: 宋体;font-size: 14px">D</span></em><span style=";font-family:宋体;font-size:14px"> </span></p><p><br/></p>
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