The type of reservoir at Lengdong-leijia region is complicate, and solidification point of its crude oil is high and that belongs to low saturated or unsaturated oil reservoir.

冷东—雷家地区储层类型复杂，原油凝固点高，属于低饱和或不饱和油藏。

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With the background of soil salinity in the plain of North China, a water-heat-salt movement of soil water in unsaturated-saturated region is studied by numerical simulation.

本文以我国北方平原的土壤次生盐化为背景，对土壤中饱和—非饱和水的水—热—盐一维运动模型进行了数值模拟。

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This research provides a new method for the practical use of unsaturated loess shear strength in the western region loess engineering.

本研究为非饱和黄土抗剪强度应用于西部地区黄土工程实践提供了一种新的方法。

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