Rails prefers explicit code instead of configuration files, and the dynamic nature of the Ruby language generates much of the plumbing code at runtime.
Rails更喜欢清楚的代码而不是配置文件，而Ruby语言的动态性质在运行时生成了大部分管道代码。
Not only is the DAO code reduced through the use of the generic DAO, but it is also possible to create generic UI plumbing code that is agnostic about the type of data being queried and displayed.
不但通过使用泛型DAO减少了dao代码，还可以创建通用的UI模板代码，这种代码不知道所查询和显示的数据的类型。
The Series 7 Backflow Preventers provide cost-effective backflow protection of the public water supply when used according to the local or state plumbing code requirements.
系列7防回流阀提供性价比高的、符合当地或州管道有关规定要求的公用水供应防回流保护装置。
The Series 7 Backflow Preventers provide cost-effective backflow protection of the public water supply when used according to the local or state plumbing code requirements.
系列7防回流阀提供性价比高的、符合当地或州管道有关规定要求的公用水供应防回流保护装置。
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