预先运用这种劳动, 除对极小规模的生产以外,对任何生产活动都是必不可少的条件。
This previous employment of labour is an indispensable condition to every productive operation, on any other than the very smallest scale.
考虑当目标函数在约束条件下的最优值作扰动时,使各约束作极小扰动的非线性规划问题。
The nonlinear programming problem that the constraint perturbation attains minimum under the condition when the objective function makes its optimal perturbation is considered.
在考虑了装配公差和形状位置公差的条件下,采用极大极小法,给出了该型发射装置改进后的平行度计算方法。
Taking into account assembly tolerance and geometric tolerance, with the maximum and minimum method, a parallel degree calculating method for the missile launcher is put forward.
讨论了命题公式的主析取范式、主合取范式中的极小项与极大项下标集合的性质,利用主范式的下标集合得到了命题公式蕴涵的几个充要条件。
With respect to the principal disjunctive normal form and the principal conjunctive normal form, we also approach the properties of the subscript sets derived from the minimum term and maximum term.
在极小工作面开采条件下,利用概率积分法进行开采沉陷预计时结果与现场实测有较大偏差。
There are great differences between the predicted result using probability integral method and the practical observation under condition of exploiting minimal working face.
本文主要利用拓扑度理论中的不动点定理和变分方法中的极小作用原理及其环绕形式的临界点定理在适当的条件下讨论了一类二阶椭圆边值问题的可解性。
The aim of this thesis is to study the existence of weak solutions for semilinear second order elliptic boundary value problems under suitable conditions through topological and variational methods.
有限元模型用质量和刚度参数表示,这些参数由正交条件和特征方程的加权欧氏范数取极小值来确定。
The finite element model is expressed by mass and stiffness parameters, which are determined by minimization of weighted Euclidean, norms of orthogonality conditions and characteristics equations.
设F是任一子群闭的局部群系,利用极小子群的F超中心性,给出一类可解群属于F的一个充分条件,由此得到一些群的结。
Using the F hypercenter of minimal subgroups, this paper gives a sufficient condition under which a soluble group belongs to a given formation F.
最后,在较弱的假设条件下,讨论了G -凸空间中的重合点组定理与极大极小组定理,从而推广了近期文献的相关结论。
At last, we establish systems of coincidence theorem and system of minimax theorems in G-convex under weaker assumptions. Our results generalize the corresponding results in recent literature.
利用这些分析表达式,讨论了束流包络极大值和极小值存在的判别条件,导出了计算包络极大值和极小值及其位置的精确公式。
And we have derived the accurate formulae with which one can calculate the maximum and the minimum values of envelop and their position.
本文引入了概念强稠密理想,得到了极小强稠密理想存在的等价条件。
This article introduces the concept of a strongly dense ideal in the theory of parallel decomposable lattices.
应用黄金分割法和元素交替极小化法对扩展的卡尔曼滤波初值条件进行搜索并获得优化解。
Initial value conditions on Expanded-Kalman-Filter are searched by Gald-Cutting and Component-Minimum methods, and then optimized.
在新的控制条件下,证明了二次型极小化问题的迭代算法的有效性,所得结果改进了徐洪坤关于二次型优化的最新结果。
Under new control conditions, we prove convergence of the quadratic minimization problem, which improves the recent results by Xu about quadratic optimization.
从电路噪声的角度分析了直流充放电法和交流激励法电容测量技术的性能,得出交流法在增加电路复杂度极小的条件下,可获得较高的电容分辨率。
The DC charge based and ac based capacitance measurement technologies are analysised from the point of noise performance, which is the key factor to determine the resolution of measurement.
证明了拟常曲率流形中二维极小子流形上一个单连通区域为稳定的充分条件。
Sufficient conditions for a simply-connected domain of 2-dimensional minimal submanifold immerged in 2 + p-dimensional manifold of quasi-constant curvature to be stable were proved.
对局部对称共形平坦黎曼流形中具有平坦法丛的极小子流形作了一些讨论,得到了极小子流形是全测地的两个充分条件。
This paper studies the Schouten tensor on the locally conformally flat manifold, and gets some sufficient conditions for m to be the space of constant curvature, which improves the known results.
考虑当目标函数在约束条件下的最优值作扰动时,使各约束作极小扰动的非线性规划问题。
Transferring this problem into a corresponding multiobjective programming, the optimality conditions of minimal perturbation constraints nonlinear programming are given.
在共振米散射条件下,绝对局域化长度取极小值。
And the absolute localization length reaches a minimum under the resonance Mie-scattering condition.
给出满足主右理想极小条件诣零环的两个充要条件,此类环是扩张闭的。
This peper gives two necessary and sufficient conditions for a ring to be a nil MHR-ring. It is obtained that any nil MHR-ring is extension closed.
本文运用内罚函数法,使一个在颤振、强度和最小尺度等约束条件下的翼面结构重量取极小值。
In this paper an interior penalty function method is applied to minimize the weight of a wing structure under the constraints of flutter, strength and minimum gage.
本文研究了满足条件N的局部群系集合的代数性质,同时对于这类群类,给出了极小非-群的结构。
In this paper we investigate algebraic properties of the set of local formations which satisfy n, and for such formation we give the structure of minimal non group.
本文研究了满足条件N的局部群系集合的代数性质,同时对于这类群类,给出了极小非-群的结构。
In this paper we investigate algebraic properties of the set of local formations which satisfy n, and for such formation we give the structure of minimal non group.
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