同样，ActiveRecord的关联和校验对于数据库的约束定义来说也是一种冗余。
As well, ActiveRecord associations and validations are redundant specifications of database constraints.
从系统有效度和系统代价出发提出了一种多传感器冗余系统的优化模型和满足有效度约束的最小代价准则。
An optimization model for the redundant multi sensor system and the criteria with a minimum cost which fulfill the systems availability constraint are presented.
采用剪枝技术来消除构造过程中存在的冗余内涵比较，给出约束概念格渐进式构造算法PCCL。
An incremental construction algorithm named PCCL of the constrained concept lattice was presented by using pruning technology that eliminated the redundant information in the construction process.
给出了一复杂系统在造价约束下的可靠度和冗余数的并发优化设计结果。
A numerical result of an optimization design based on reliability and redundancy subject to cost in complex system is provided in the paper.
该方法利用具有旋转不变性的径向特征作初始匹配，而以环向特征作后续匹配，并用FOV约束进一步剔除冗余匹配。为了加快匹配搜索的速度，采用查找表的方式构建径向模式库。
With radial features with cyclic invariance as initial match and cyclic features as follow-up match, the algorithm applies FOV constrain to further eliminating redundant match.
该方法利用具有旋转不变性的径向特征作初始匹配，而以环向特征作后续匹配，并用FOV约束进一步剔除冗余匹配。为了加快匹配搜索的速度，采用查找表的方式构建径向模式库。
With radial features with cyclic invariance as initial match and cyclic features as follow-up match, the algorithm applies FOV constrain to further eliminating redundant match.
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