穿过单条或者多条裂缝的压裂水平井不稳定渗流问题是一个复杂的渗流力学问题。
Unsteady porous flow in horizontal Wells with single or multiple fractures is a complicated study of mechanics through porous media.
不过接着就更糟了。前面不远出现了一条巨大的地裂。
But there was worse to come. Just ahead of us there was a huge fissure.
数据缺失对随机区组设计分析精准度的影响小，而对裂区和条区设计分析精准度的影响大。
The imbalance of data influenced the analysis results in split-plot design and strip-plot design much heavier than in random block design.
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