Modified factor of frictional coefficient of different sections of designed path of one field or area is obtained by statistical computing and analysis of more Wells.
由多口井数据的统计计算和分析，可得某一油田或区块的水平井设计轨道各井段的摩阻因数放大因数。
2
Methods the primary essentials of healthy aging and their related factors were analyzed by validated factor analysis, path analysis and structure equation modeling.
方法应用验证性因子分析、路径分析和结构方程建模等方法分析健康老龄化的基本要素及其影响因素。
3
The source spectrum of small-moderate earthquake can be represented by theoretical "Brune" model, the geometric attenuation factor of whole path can be represented by three-segment geometric model.