地球曲率效率的英文

• earth curvature effect

• 地球曲率:    earth curvature
• 效率:    productiveness; efficiency; ...
• 地球曲率效应:    curvature of earth effect; earth curvature effect; effect of earths curvature
• 地球曲率:    curvature of earth; curvature of the earth; earth curvature; earths curvature
• 地球曲率半径:    radius of curvature of the earth