Externalization of business rules using rule engines
利用规则引擎实现业务规则
RIF was designed primarily for the interchange of rules between rule engines.
RIF的主要目的是实现规则引擎之间的规则互换。
Rules framework hides the rule engine and enables selection of different rule engines.
规则框架隐藏了规则引擎，使得可以选择不同的规则引擎。
Most of the commercial and open source rule engines support the ability to capture rules in a tabular rule form.
大多数商业和开源规则引擎都支持以规则表格的形式捕捉规则的功能。
Many rule engines provide testing and evaluation tools, but sometimes it is necessary to create specialized tools.
许多规则引擎都提供了测试和评估工具，但有些时候，有必要创建专用的工具。
There are wide differences between rule description languages of rule engines. It makes direct edit business rule very hard for users.
不同规则引擎的规则描述语言也存在很大差异，业务用户直接编辑业务规则非常困难。
This paper research some important aspects of different rule engines to breaking the difference of rule engines, and offer a new solution.
为了屏蔽不同规则引擎的差异，本文对规则引擎的一些重要方面进行了研究，提出了兼容规则引擎的解决方法。
Although some rule engines allow for the or construct in a condition, in practice, such constructions lead to rules that are difficult to understand and test.
尽管某些规则引擎允许在条件中使用or结构，但在实践中，此类结构可能会导致难以理解和测试的规则。
In the aspect of business rule management, this paper encapsulates the different rule engines and improves them, mainly discusses the rule engine's starting and initialization.
在业务规则的管理方面，本文对异种规则引擎进行封装和改进，主要探讨了规则引擎的启动和初始化管理。
By the end of this tutorial, you'll understand how to define lexical elements, write yacc rules, and use the rule mechanism to build and define a range of different parsing engines and applications.
在学习了本教程之后，您将了解如何定义词法元素、编写yacc规则，并使用相应的规则机制来构建和定义各种不同的分析引擎和应用程序。
As a general rule, good technique has a far better chance of working on the search engines than any cunning trick you may hear or read about.
一般而言，比起那些你听说或者看到的狡猾伎俩，优良的技术被搜索引擎青睐的机会大得多。
From the angle of diesel engines depreciation rule, maintenance cost rule and the consumption rule, This paper analyzes the questions of 195 diesel engines economy-life and update revolution.
从分析柴油机的折旧规律、维修费用规律以及燃油耗费用规律入手，对195柴油机的经济寿命和更新周期问题进行了分析。
From the angle of diesel engines depreciation rule, maintenance cost rule and the consumption rule, This paper analyzes the questions of 195 diesel engines economy-life and update revolution.
从分析柴油机的折旧规律、维修费用规律以及燃油耗费用规律入手，对195柴油机的经济寿命和更新周期问题进行了分析。
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