例如，其用以描述股价变动的数学方法来自物理学中描述热扩散(diffusion of heat)的一些等式[4]。
For instance, the maths it USES to describe how share prices move comes from the equations in physics that describe the diffusion of heat.
另外，现有的基于物理的动画方法仅仅考虑利用位置随机性来增加变动。
In addition, these approaches of physical simulation only make use of the position randomicity to increase variation.
表面处理：在任何处理中变动表面的化学物理或机械性能。
Surface treatment: surface treatment is any treatment which changes the chemical physical, or mechanical properties of a surface.
然而，关于这种湍流变动的内在物理机制的理解还不够深入。
However, the underlying physical mechanisms responsible for the turbulence modification are not well understood.
外貌处理：正在任何处理中变动外貌的化学物理或机械能。
Suce treatment : suce treatment is any treatment which changes the chemical physical , or mechanical properties of a suce .
根据解的数学特征，讨论其对应的物理意义和潜水位变动规律。
Corresponding to the mathematical characteristics of the analytical solution, the physical implication and the fluctuation rule of groundwater level are discussed.
引入急动度和猝变动力学等新概念，用以充实大学物理教学内容，是一种正在形成的趋势。本文提供了一个关于猝变动力学新概念教学的初步框架。
It is a tendency that the new concepts of jerk and jerky dynamics become a part of course of the university physics. A elementary teaching frame of the new concepts on jerky dynamics is constructed.
系列简化和假设导致实际物理系统和数学模型之间的差异，主要包括有系统参数变动，未建模动态特性，未建模时滞等等。
The difference between the physical system and the mathematical model arises from many sources, including parameter changes, un-modeled time-delays, and so on.
系列简化和假设导致实际物理系统和数学模型之间的差异，主要包括有系统参数变动，未建模动态特性，未建模时滞等等。
The difference between the physical system and the mathematical model arises from many sources, including parameter changes, un-modeled time-delays, and so on.
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