On the basis of precise description of gas reservoir, a reservoir model has been established through numerical simulation.
在气藏精细描述基础上，应用数值模拟技术，建立气藏模拟模型。
This provides technical storage for reservoir development performance adjustment and analysis in the future, and also provides basis for reservoir precise description.
为油藏今后进行开发动态调整和分析提供了技术储备，也为油田储层精细描述提供了依据。
To provide a direct and precise description for workflow access control, an access control model for workflow systems was developed based on graph and graph transformation.
为了直观和准确地描述工作流访问控制，提出了一个基于图的工作流访问控制模型。
Mathematical ideas are by nature precise and well defined, so that a precise description is possible in a very short space.
数学思想天然就是定义完全而精确的，故可以在很短的容量中精确的描述。
Pattern recognition methods, capable of advanced decision making without a precise description of the pro-cess model, have been used in many cases to implement advanced control systems.
模式识别方法本质上是一种分类方法，它不需要过程的数学模型就可做出高级决策。
Pattern recognition methods, capable of advanced decision making without a precise description of the pro-cess model, have been used in many cases to implement advanced control systems.
模式识别方法本质上是一种分类方法，它不需要过程的数学模型就可做出高级决策。
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