• Based on it, the elastic wave velocity spatial distribution around a cased hole in tectonic stress field is studied by applying the velocity-stress formula of equivalent medium model.

    此基础之上,应用等效介质模型速度应力关系式研究了地应力场中套管井弹性波速的空间分布规律

    youdao

  • The type of spatial data model: the model based on object (element); network model; field model.

    空间数据模型类型基于对象(要素)模型;网络模型;模型。

    youdao

  • The type of spatial data model: the model based on object (element); network model; field model.

    空间数据模型类型基于对象(要素)模型;网络模型;模型。

    youdao

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