If indeed the friction coefficient is independent of surface area, then when I tilt them they should start to slide roughly at the same Angle.
若摩擦系数真的，与接触面积没有关系，那么两者下滑时的角度，应该基本相当。
2
The temperature of an object detected by the infrared detector depends on the emission coefficient, the distance and the lighting area.
一个物体的温度的红外线探测器发现取决于排放系数，距离和照明领域。
3
The minimum sampling area of a major plant community in Meiziya Region was studied by using methods of species area curves and community coefficientarea curves.