It is shown that the slope K of the self-priming performance curve is the estimationcriterion to describe the self-priming ability of different self-priming pumps.
文中指出可以自吸性能曲线的斜率K，作为对不同型式自吸泵及其自吸能力强弱的评定值。
2
For no material is used when "estimation method" is completely against the history at least criterion.
而对于没有资料时使用的“估算”方法，则完全违背了历史学最起码的准则。
3
It presents a useful methodology of cell coverage estimation for TD-SCDMA cellular network based on a duration outage criterion, and gives quantitative results.