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>
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