通过非结构网络，把井眼看作一个网格块，推导出了能反映开、关井后地层渗流量变化的用于求解单相流试井问题的差分模型。
Then a differential model, which discribes the changes of sandface flow rate under pressure drawdown and buildup is derived. The rate model is used to solve the question …
字谜中的每一个网格位置都会调用它来选择一个将成为字谜块的细胞。
It will be called for every grid position in the puzzle to choose a cell that will be a puzzle tile.
按需分配的硒网格似乎是完美的解决方案，而且在你的构想中你曾提到，这也是从开发到生产转型过程中所缺失的一块。
A on-demand selenium grid, seems to be a perfect fit and a missing piece in the development to production transition you've outlined in the vision.
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