index constraint
英 [ˈɪndeks kənˈstreɪnt]
美 [ˈɪndeks kənˈstreɪnt]
网络 索引约束
双语例句
- There is no option to disable index support for an existing constraint.
对于一个现存约束，要禁用索引支持没有别的选择。 - When the constraint creation is complete, the index supporting the constraint is disabled and its space is dropped.
当约束创建完成后，禁用支持约束的索引，空间被释放。 - As discussed earlier, this processing could take such forms as index maintenance, constraint verification, or trigger execution.
前面已经讨论过，这种处理可能以不同的形式出现，例如索引维护、约束验证或者触发器执行。 - New syntax for disabling an index for foreign key constraint was added to use with the ALTER statement.
用于为外键约束禁用索引的新语句被使用ALTER语句添加来使用。 - To drop the foreign key constraint with index disabled and recreate this referential constraint, issue the following command
要终止索引禁用的外键约束，重新创建这个参考约束，执行以下命令 - The length of a VARCHAR ( n) index is a hard constraint.
VARCHAR（n）索引的长度是一个强制约束。 - You have an index that is associated with a Unique or Foreign Key constraint that is heavily used in queries that you want to put on SSD.
您有一个索引与Unique或ForeignKey约束关联并且该索引被大量的查询所使用，您希望将这个索引放入SSD。 - Particle swarm optimization approach to index tracking problem with a cardinality constraint
带有基数约束的指数跟踪问题及其粒子群算法求解 - Satisfactory estimation problem for discrete systems with stochastic passage characteristics index constraint
含随机穿越特征指标的离散系统满意估计问题 - For value and compound index, the TV constraint questioning was better than that of the free questioning.
在价值性和复合指标上，电视限制问题比自由提问好；宇宙飞船自由提问比电视自由提问好。 - Newly added not nullable column ( s) are involved in the primary key or unique index ( constraint).
新添加的不可空列包含在主键或唯一索引（约束）中。 - By taking fuzzy performance index as objective function and taking codomain of design parameters and limiting performance index as constraint conditions, an optimization mathematical model is formed.
以模糊化的性能指标为目标函数、以设计参数的取值范围及极限性能指标为约束条件，建立优化数学模型。 - Dynamic interval index in constraint database
约束数据库中的动态区间索引结构 - The reengineering evaluation index of production system was built in accordance with the system evaluation index of the constraint theory, realizing the dynamic evaluation of the reengineering effect.
这一方法还基于约束理论的系统评价指标建立了生产系统再造评价指标，从而实现对再造效果的动态评价。 - Optimization of H ∞ Index Based on T-S Model under the Nonlinear Object Constraint System Condition
基于T-S模型非线性对象条件约束下H∞指标优化 - With this method, the fuzzy optimum reliability index can be obtained under the constraint of construction cost, dimensions and weight of the offshore platform.
该方法使导管架海洋平台在尺寸、重量、造价等约束条件下，体系达到模糊最优可靠性。 - First, the least biased prior probability distribution of observed index under the given constraint condition is derived using the principle of maximum entropy.
本文先应用了最大熵原理来确定在给定约束条件（即已知信息）下，实测指标最小偏差的先验概率分布。 - A new optimal planning model with the congestion index constraint is presented and applied to an IEEE 24-bus example system.
然后建立了阻塞指标约束下的输电网静态规划模型，并用IEEE-24RTS实验系统进行了验证。 - Thirdly, the reliable control problem with cost function index constraint is also discussed.
研究了成本函数指标约束下的可靠控制问题。 - The weighted summation minimum of the construction cost and the operational cost is defined as the index. The investment limitation is used as constraint. The genetic algorithm is adopted to obtain the minimum-cost expansion planning result.
以建设费用、运行费用的加权和最低为目标函数，以最大投资额度的限制为约束条件，采用遗传算法获得总费用最小的扩展规划结果。 - Structural reliability analysis and optimization is a calculated way to obtain optimal design variable, which combines reliability analysis method with optimization design completely, and define reliability index as constraint condition or goal.
结构可靠性分析及优化设计是将可靠性分析方法与优化设计完美地结合在一起，将结构可靠性指标作为约束条件或追求的目标，从而得到最佳设计变量的一种计算方法。 - Ride comfort index was introduced as a constraint to ensure no reduction in the premise of the ride during the optimization.
同时引入平顺性指标作为约束条件，保证在不降低平顺性的前提下，尽可能提高整车性能。 - The system consists of three levels of study, including the static single indicators measurement, the static OCA index model and dynamic endogenous constraint test.
该体系包括三个研究层次，分别是静态单一指标衡量、静态OCA综合指数模型衡量和动态内生性约束检验。 - In this model, the object function is the highest temperature rise value, the concrete compression stress and crack resistance index are considered, and the admixture constraint condition is pulled in.
该模型以混凝土中心的最大温升为目标函数，同时考虑混凝土抗压强度及抗裂指标，并且引入了外加剂的约束条件，从而使数学模型更接近于实际情况，应用性更强。 - The main contents of the paper are depicted as follows: ( 1) On the basis of analyzing the quality problem of land use data generalization, we put forward a two-dimensional quality evaluation index that combined with level and constraint.
主要研究内容包括：（1）在深入分析土地利用综合结果质量问题的来源、影响因素的基础上提出了空间层次与约束相结合的质量评价指标二维体系。 - Compared with Reliability Index Approach ( RIA), constraint function can be treated as the problem that searching prescribed minimum performance target point in PMA.
与可靠指标法不同的是，在功能度量法中，约束函数评估被处理为搜索具有规定的目标可靠指标的最小功能目标问题。 - The spatio-temporal index for the constraint network is one of the key issues in this field.
受限网络中的时空索引是解决此类时空数据管理问题的关键所在。 - Shape index and facial geometrical constraint are introduced to segment the main organ regions.
形状索引描述结合面部几何约束分割人脸表面主要器官区域。 - Due to reliability index is only as constraint condition is induced into optimization mathematics mode, it made no difference on sufficiency of GA, so the final results got from optimization are considered as global optimum solution.
同时由于可靠性指标只作为约束条件引入优化数学模型，对遗传算法的适应度没有影响，因此可以认为优化得到的最终结果是全局最优解。