正面投球法 windup position

正面投球 wind-up position

正面投球姿势 wind-up position

球面投影 stereographic projection ; [测] spherical projection ; globular projection ; azimuthal orthomorphic projection

反面投球法 windup position

通用极球面投影 Universal Polar Stereographic projection ; UPS

球面投影网 stereonet ; stereographic net

球面投影测量 stereographic survey

极球面投影 stereographic polar projection ; polar stereographic map projection

通用横球面投影 universal polar stereographic projection