If you don't put a restriction in your map function (as I did in Listing 5), then the emit will essentially sort the passed-in documents.
如果未在map函数中添加限制(像我在清单5中做的那样)，则emit的基本作用是对传入文档进行排序。
To perfect the rule and procedure of the power function and to strengthen the restriction, supervision and preventing the abuse of power.
健全权力运做的规则和程序，强化对权力的制约、监督、防止滥用权力。
The deduction of objective function, the decision of restriction and the chosing of optimizing method are specially discussed with the example of second order feedback controller.
以闭环二阶控制器为例，推导了优化设计的目标函数，探讨了约束条件的确定和优化方法的选择。
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