The Render method of the Web service is a good alternative when you want more control, for operations such as displaying the results in a picture box or saving the file directly to disk.

当您想要更好地控制某些操作（例如，在图片框中显示结果或将文件直接保存到磁盘的操作）时，Web 服务的 Render 方法是一个很好的备选方法。

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Access control granularity specifies the authorization level which administrative domain provides service for users, such as directory authorization level, file authorization level etc.

访问控制粒度指明系统为用户授权的层次，如目录级授权与文件级授权等。

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A blank password on the listener. ora file allows unauthorized users to control the listener service.

or a文件中空白的密码允许未经授权的用户控制侦听服务器。

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