以每小时读数的算术平均值作为测定值.

The arithmetic average value of the records shall as the measured value.

平均内径：同一平面上最大和最小内径的算术平均值。

Mean bore diameter: arithmetical mean of the largest and smallest single bore diameters in one plane.

平均内径：同一平面上最大和最小内径的算术平均值。

Mean bore diameter : arithmetical mean of the largest and smallest single bore diameters in one plane .

改进了有关凹函数和凸函数的算术平均值单调性的某些已知结论.

Some known results on monotonicity of the arithmetic means of convex and concave functions are improved.