At the application level using specific statements depending on the programming language.
在应用程序级别上，根据编程语言使用特定语句。
2
The popular Ruby on Rails framework, for example, takes the Ruby programming language and offers a web-specific structure for getting common web application tasks done.
非常流行的 Ruby on Rails 框架，作为一个例子，它利用Ruby编程语言，为我们提供了一个专门面向web的架构，普通的web应用程序都能使用它来完成。
3
The white ‘application’ icon named after your project represents the implementation of the model and is where the language-specific and operating-specific definitions are made.