For example, an application might have a group of expert users that may be allowed to upload data files to the application server.
比如，一个应用程序可能会允许一组专业用户向应用服务器上传数据文件。
In this application, the system first sends out an opt-in request notification to users it finds, asking for their communication data upload.
在此应用程序中，系统首先向找到的用户发送opt - in请求通知，请他们上传通讯数据。
Our application has an Image model. It uses a file upload plugin that we wrote in-house to persist image data.
我们的应用程序中包含一个Image模型，该模型使用我们内部编写的一个文件上传插件来持久化图片数据。
You can then use the "Import Application Date" option on the "Getting Started" page to upload the data that you have already entered.
你可以使用在“开始”页面上的“导入申请日期”的选项来上传你已经输入的信息。
The principal difference with upload and download tasks is that they return data directly to your application instead of going through the file system.
它和Upload task和Downloadtask的主要区别是它直接返回数据给应用程序，而非通过文件系统。
The principal difference with upload and download tasks is that they return data directly to your application instead of going through the file system.
它和Upload task和Downloadtask的主要区别是它直接返回数据给应用程序，而非通过文件系统。
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