By-name parameter的意思|示意

The send method invokes the method named by a single symbol parameter, which in this case is the name of the state_column.

send方法调用由一个符号参数命名的方法，在本例中其名称是state_column。

If I only looked up the fields as needed, it would be easy to break a parameter definition (for instance, by mistyping the corresponding field name) without realizing that anything was wrong.

如果我只是查找需要的字段，那么就很容易破坏一个形参定义(例如，输错相应的字段名)，而且还不能认识到有错误发生。

A Nirvanix configuration file requires an application name (currently represented by the parameter auth_accesskey) and a directory name, in addition to a username and password.

除了用户名和密码以外，Nirvanix配置文件还需要一个应用程序名称(目前由参数auth_accesskey表示)和一个目录名称。

The second is the propertiesLocation parameter, which includes the name of the file that has properties used by the RestServlet class (see Resources for a full list of these properties).

第二个是 propertiesLocation 参数，它包含有文件名称，这些文件中有供 RestServlet 类使用的属性（查看 参考资料，获得这些属性的完整列表）。

The parameter ID is the parameter name as displayed in the task editor and supported by the XSLT template corresponding to the selected verb.

参数ID是显示在任务编辑器中的参数名，并且与所选谓词相对应的XSLT模板支持该参数名。

This basically grabs the request parameter with the image name, looks it up in the database, and returns all the information about that image, separated by pipes (| s), just like the spec said.

上述代码会获得请求参数以及图像名称、在数据库中查找它并返回所有有关此图像的信息(由管道符|分隔)，正如规范所规定的一样。