The scientific definition of time is a parameter used by humans to describe the process of material movement or the occurrence of things.
时间的科学定义是人类用以描述物质运动过程或事物发生过程的一个参数。
Human practice and animal activity are two basic forms of material movement in different level in material world.
人类实践和动物活动是物质世界中两种不同层次的物质运动形式。
The results show:(1) The quantity of material movement of vertical erosion increases with the rain intensity but decreases with the depth;
结果表明：（1）垂直侵蚀物质输移量随深度的增加而减少，随降雨强度的增加而增加；
The analysis method and programming calculation for material movement on screen covers of the linear vibrating separator with throw movement were presented.
提出了物料有抛掷运动的直线振动筛筛面上物料运动的分析方法和编程运算。
It breaks through the traditional way to study asphalt mixture in macro, and suggests a whole new research method on studying granular material movement of mixture with fluid mechanics.
突破了从宏观上研究沥青混合料的传统方法，提出以流体力学研究混合料的粒料运动的全新研究方法。
When the painting is just a tool used to carry material movement, the essence behind it begins to show.
当绘画只是用来承载某一运动的材料工具时，它背后的本质就开始凸显。
Pull systems will eventually dominate the entire supply chain-to customers and from suppliers, as well as internal material movement.
“拉动式”系统最终控制着整个供应链——从供应商到客户的，以及内部的物料流动。
Having analysed the features of the suspending-bearing and material movement in the screw conveyer, the author points out that the existing suspending bearing harshly results in blockage.
作者分析了螺旋输送机悬挂轴承及物料运动特点后，指出该轴承的存在是造成堵塞的重要原因。
Having analysed the features of the suspending-bearing and material movement in the screw conveyer, the author points out that the existing suspending bearing harshly results in blockage.
作者分析了螺旋输送机悬挂轴承及物料运动特点后，指出该轴承的存在是造成堵塞的重要原因。
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