A、<span style="";font-family:宋体;font-size:14px"">2P<span style=""font-family:宋体"">方式</span></span></p><p></p>
B、<span style="";font-family:宋体;font-size:14px"">TTR<span style=""font-family:宋体"">方式 </span></span></p><p></p>
C、<span style="";font-family:宋体;font-size:14px"">3P<span style=""font-family:宋体"">方式</span></span></p><p></p>
D、<span style="";font-family:宋体;font-size:14px"">先手工计算好圆心坐标、半径、用圆心、半径方式</span></p><p></p>"