The solution of A-harmonic equation and the differential forms have many affinities.
调和方程的解与微分形式之间有着密切的联系。
In the theory of nonlinear differential forms and their applications to modern theory of mappings, an important concept is the distributional wedge product.
在非线性微分形式及其在现代映射理论的应用中，一个重要的概念是分布楔乘。
By using the characteristics, the combination of two Hooke's joints with cylindrical gear mechanisms forms the driving system of a differential velocity vane pump.
利用这一特性，把两个万向节机构和圆柱齿轮机构组合形成了叶片差速泵的驱动系统。
Usually there are two basic forms of dynamical systems: continuous dynamical systems described by differential equations and discrete dynamical systems described by iteration of mappings.
根据系统变化的规律可分为由微分方程描述的连续动力系统和由映射迭代揭示的离散动力系统。
Under the regional south-north stress field and the force of differential compaction, the basement rises and forms buried hill.
在区域南北向应力场及差异压实作用下，基底隆起形成潜山型内核。
Under the regional south-north stress field and the force of differential compaction, the basement rises and forms buried hill.
在区域南北向应力场及差异压实作用下，基底隆起形成潜山型内核。
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