hodograph什么意思解释？

Peak updraft strength is slightly enhanced with hodograph curvature.山顶上升气流强度随速矢端迹曲率加大而稍有加强.Points in the physical plane are mapped onto corresponding points in the hodograph plane.物理平面上的点被映射到速端曲线平面上的对应点....

hodograph的音标：hodograph的英式发音音标为：['hɒdəgrɑ:f]hodograph的美式发音音标为：['hɒdəˌgrɑf]...