需求特性 demand characteristics
求特性值以及特性矢量 eig
要求特性 Desirable characteristics of monochromatoes
消费需求特性 characteristics of consumption demand
商品需求特性 commodity demand characteristic
特性要求 Specification Requirement ; performance demand
产品需求特性 Demand Character of Products
航空运输市场需求特性 Demand features of air transportation
独特性需求 uniqueness need
通过误差矩阵和模具的工作特性函数反求输入控制量是加工高精度的自由曲面光学镜所面临的难题。
It is a difficult problem to solve the inputted data when the matrix of error data and the working characteristics of the tool are known in precision machining.
对称的特性也可用来节省矩阵求逆中或求解方程中所需要的一部分计算量。
The property of symmetry can also be used to save a part of the computational effort required for matrix inversion or for a solution of equations.
由于幂指函数形式的独特性，使得幂指函数的极限显得复杂。文中给出了求几种类型幂指函数极限的简捷方法。
Due to its unique characteristics, the calculation of the exponential function limit seems complicated. This paper discussed several simple ways to calculate the exponential function limit.
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