The material presented in this tutorial is predicated on the following assumptions or prerequisites
要学习本教程给出的材料就必须满足以下假设或先决条件
Possession was considered as a fact in Roman law with material and spiritual prerequisites, and as a right in Germanic law.
罗马法上占有为一种事实，其构成要件有物质要件和精神要件；
The prerequisites for the mass movement of the material in a horizontal chain conveyor was analyzed with a new method in accordance with the structure mechanics of bulk material.
前言： 运用散体结构力学理论，以新的方法分析水平型埋刮板输送机“物料整体移动”的条件。
The prerequisites for the mass movement of the material in a horizontal chain conveyor was analyzed with a new method in accordance with the structure mechanics of bulk material.
前言： 运用散体结构力学理论，以新的方法分析水平型埋刮板输送机“物料整体移动”的条件。
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