According to the perturbation theory, a distribution law of matrix element in secular equation is discovered in degenerate state and wave function property of the hydrogen atom.
根据简并态微扰理论和氢原子波函数的性质，得到久期方程中微扰矩阵元的分布规律。
Flags a property as an accessor function for an element of the default collection.
将属性标记为默认集合的某个元素的访问器函数。
The jump stochasticity property is due to an intrinsic stochasticity source which belongs to both deterministic nonlinear element and nonlinear function.
跳跃随机性是确定的非线性函数项和确定的非线性元件所特有的内随机源。
But the nonlinear element and nonlinear function of such systems have are a special property, namely the jump stochasticity property.
而该系统中的非线性元件和非线性函数项有一个特殊性质，即跳跃随机性。
Use the factory model to create graphic element, then realize the function of property editing, operation just as rotation.
利用工厂模式实现图元创建机制，给出了图元属性编辑、旋转操作等功能具体设计。
Use the factory model to create graphic element, then realize the function of property editing, operation just as rotation.
利用工厂模式实现图元创建机制，给出了图元属性编辑、旋转操作等功能具体设计。
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