横断曲线跟踪(法) intersection curve: 相交曲线curve tracing: 划曲线; 曲线跟踪; 曲线作图tracing curve: 描迹曲线curve-curve intersection point: 曲线对曲线求交点surf curve intersection point: 曲面对曲线求交点下载手机词典可随时随地查词查翻译