在调度约束条件分析和一些基本假设的基础上，本文建立了多卫星初始调度约束模型，并给出了模型求解的贪婪算法。
A constraint satisfaction scheduling model for the initial scheduling problem and a greedy algorithm for it are given based on the constraints analysis and some basic hypothesis.
计算实例表明，凸度缺口模型对于给定的初始值和约束条件，可以较好地减少利率风险的暴露头寸和提高收益；
Calculation case shows that in the given initial value and restraints, convexity gap model can lessen the exposure position of interest rate risk and increase yields.
通过对运输问题的约束条件的分析，重新设计了初始种群的生成方法，避免了对大量非可行解的处理。
It proposes a method to product initial feasible solutions of transportation problem, on the basis of its special constrained conditions, and the unfeasible solutions need not to care any more.
文中讨论了岩性正演数学模型的建立、初始模型的选取和约束条件对反演结果的影响。
The paper deals with the geological modeling and lithologic forward modeling, ilustrates the initial model chosing and the constraints contributing to the inversion result.
其中测井反演不仅提供用于地质解释的参数，还把它作为宽带约束反演的初始模型及约束条件；
The well-log inversion results can not only provide parameters for geological interpretation, but also be used as the initial-model and constrained condition of broadband-constrained inversion.
对于特定的线性几何约束条件，通过对约束条件下的初始自由度进行转换，将有限元方程转换为少自由度的无约束方程进行求解。
For certain geometry constraints, by transforming the constrained degrees of freedom, the reduced unconstrained degrees of freedom finite element solution was obtained.
此外，根据软着陆系统推力、燃料和状态的约束条件，给出了引力转弯着陆过程初始条件的可达集合。
Furthermore, an attainable set for initial conditions of the gravity-turn descent is deduced according to the constraints of thrust, fuel and states of the soft landing system.
此外，根据软着陆系统推力、燃料和状态的约束条件，给出了引力转弯着陆过程初始条件的可达集合。
Furthermore, an attainable set for initial conditions of the gravity-turn descent is deduced according to the constraints of thrust, fuel and states of the soft landing system.
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