In carrying out SSNIP way there are self-needing elastic method and criticalloss method, the latter one is widely applied in practice.
实施SSNIP的方法有自需求弹性法和临界损失法,临界损失法在实践中日益得到广泛应用。
2
The criticalloss of 29 months of payroll records from this period, as well as all the payroll records from January 1868 through May 1869 would have changed this total dramatically.