The cast grouping and ordering problem of steelmaking continuous casting hot rolling (SM-CC) is a combinatorial optimization problem.

炼钢-连铸生产的浇次组合与排序是带有工艺约束的并行机流水车间调度问题。

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FOR UPDATE does not support grouping and ordering, so you cannot create a finder that would get a set of rows from the database and order them by a specific column.

FOR UPDATE不支持分组和排序。因此您不能创建finder来实现从数据库获得一组行并通过指定的列来排序的目的。

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By using query syntax, you can perform even complex filtering, ordering, and grouping operations on data sources with a minimum of code.

通过使用查询语法，您甚至可以使用最少的代码对数据源执行复杂的筛选、排序和分组操作。

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So our ability to distinguish "man bites dog" from "dog bites man" hinges on the attention that we pay to ordering and grouping, that allows us to get two different meanings out of the same set of words.

FORBES: Steven Pinker On Why We Have Language