The precise integration method proposed for linear-invariant dynamic system can give precise numerical results approaching to the exa ct solution at the integration points.
对线性定常结构的动力系统提出的精细积分法，能得到在数值上逼近于精确解的结果。
Educational system is a unique and complex system characterized by its openness, loose integration, non-linear nature and imbalanced nature.
教育系统是一个独特的复杂系统，具有开放性、松散结合性、非线性与非均衡性等特征。
From the point view of applications, the matrix element of the involved linear system of equations is an explicit expression without numerical integration.
从应用角度看就是最终线性方程组每一元素均为显式表达，没有数值积分。
From the point view of applications, the matrix element of the involved linear system of equations is an explicit expression without numerical integration.
从应用角度看就是最终线性方程组每一元素均为显式表达，没有数值积分。
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