The number and spacingof the rods controls how light reflects which produces different colors.
杆状细胞的数目和间隔决定了如何地反射光,因而产生了不同的颜色。
2
The result indicates that the arrangement defect controls the deformation, stability and rock mass failure when the scales of crack, fissure, cavity, spacing, hole are coexisting in rock masses.
The factor of the mixed partial derivative term controls the grid orthogonality. The other two factors of second order partial derivative terms control the grid spacing.