Analysed the influence factors on single-bucket annual production capability, put forward the method of reasonable determine the piece rate wages quota for the excavator operater.
分析了影响挖掘机年生产能力的因素，提出了合理确定挖掘机计件工资定额的方法。
2
To compare with the traditional actuarial method in condition of single annual interest rate, the method is much more universal, rational and also accords with the actual conditions.
与传统的单一年预定利率下的精算方法相比较，该方法更为普遍合理、更加符合实际情况。
3
The least square method is applied to study the deformation tendency and calculate the mean annualrate of deformation.