资料选取 meaning in English

data selection

How to select addresses from an external source
如何从外部来源资料选取地址
The method is good at recognizing the grades of the fractures . however , to determine the grades of the fractures it is need to set suitable thresholds based on the drilling and well logging
此方法对裂缝发育程度有较好的识别效果，但要得到裂缝发育级别，需要结合钻探、测井等资料选取阀值。
The problems mentioned above include the theory and method to divide the failure time prediction into three phases of long term , short term and imminent term , the method and principle to select and process parameters used by the failure time prediction , the step to establish the criterions of prediction , the principle to classify and select the prediction models . at the same time , a new method to deal with the results produced by different prediction models is pointed out
本文首先深入探讨了与滑坡时间预报精度密切相关的一些基本问题：滑坡预报的时间分段、监测资料选取与处理、预报判据确定、预报模型的分类及其选取原则：提出了多个模型预报结果的处理方法；然后详细论述了verhulst 、指数平滑法、卡尔曼虑波等具有代表性的滑坡预测预报模型的建模机理及其适用原则。