In this syntax example, you must either define a new column or define a new table-level constraint.
在这个语法示例中，必须定义一个新列或者定义一个表级约束。
A class level constraint has access to the bean instance rather than one of its properties and applies some constraint logic based on several properties.
类级别的约束能获取Bean实例，而不是它的某一属性，还能应用一些基于若干属性的约束。
Two-echelon inventory problem with service level constraint and unknown distribution function was analyzed when controllable lead time was sensitive to order quantity.
研究了基于服务水平约束的提前期内需求分布函数未知和可控提前期对订货批量敏感条件下的两级库存优化问题。
Do not define constraints in generic interfaces. Interface level-constraint can often be replaced by strong-typing.
泛型接口不要定义限制。接口层的限制通常能用强类型代替。
Do not define constraints in generic interfaces. Interface level-constraint can often be replaced by strong-typing.
泛型接口不要定义限制。接口层的限制通常能用强类型代替。
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