A、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">首曲线;</span></span></p><p></p>
B、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">计曲线;</span></span><span style=";font-family:Tahoma;font-size:15px"> </span></p><p></p>
C、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">间曲线;</span></span><span style=";font-family:Tahoma;font-size:15px"> </span></p><p></p>
D、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">示坡线;</span></span><span style=";font-family:Tahoma;font-size:15px"> </span></p><p></p>
E、<span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">山脊线和山谷线</span></span>
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