The long running back-end call is simulated.
这里模拟了耗时的后端调用。
Provide for submission of the form to a back-end system.
规定表单向后端系统的提交。
The migration process is also based on the back-end engine.
迁移过程也基于此后台引擎。
However, I can now put more useful interfaces on my back-end code.
但现在，我可以在我的后台代码里描绘出更多有用的界面了。
The ability to tie in back-end systems into the business process.
能够将后端系统连接到业务流程中。
To keep things simple, the back-end consists of only two entities.
为了简便起见，后端只包含两个实体。
Google is the back-end technology that is suddenly less visible.
谷歌变成了后端技术，突然间变得不那么显要了。
Each back-end system or business application requires a specific adapter.
每个后端系统或者业务应用程序都需要一个特定的适配器。
The presentation logic is less valuable than the back-end business logic.
表示逻辑不如后端业务逻辑有价值。
All of the code written so far is just back-end code plus some annotations.
至此我们所写的所有代码都是一些后端代码和注释。
Next, you need to load and parse the car sales data from the back-end service.
接着，您需要加载并解析来自后端服务的汽车销售数据。
Therefore, the logic of fetching the back-end data is wrapped in a Work object.
因此，提取后端数据的逻辑包装在Work对象中。
Often, it is difficult to correlate back-end log files with a particular request.
通常，将后端日志文件与特定的请求相关联是非常困难的。
The application needed the ability to read and write data from a back-end database.
应用程序需要能够从后端数据库读写数据。
You put the business logic performing the back-end call in actionPerformed() method.
将执行后端调用的业务逻辑放在 actionPerformed()方法中。
Often, you need to introduce more complexity into the logic that manages the back-end search.
您常常需要引入更复杂的逻辑以管理后端搜索。
We assume here that presentation logic is less _valuable_ than the back-end business logic.
这里我们假设表示层逻辑不如后台的商务逻辑重要。
She fell back towards the end of the race.
赛跑快结束时她落后了。
I reckon she'll be back by the end of this month.
我估摸着她月底就能回来。
This decoupling enables you to choose the back end system to use through configuration.
这一分离使您能够通过配置选择需要使用的后台系统。
Here comes the part that invokes the sample back end Web service.
现在我们处理调用样例后台Web服务的部分。
In our example, the back end web service offers only one operation.
在我们的例子中，后台服务仅提供一个操作。
With the back end in place and ready to store messages, you need an announcer.
后端就位并准备好存储消息后，您需要一个播音程序。
Create the database back end for the example.
为示例应用创建数据库后端。
Although HC is not complete yet, its back end is nearly written now.
虽然HC还不十分完整，但它的后端已经基本编写完成。
So far, this article has described how to build the back end of your application.
到目前为止，本文已经介绍了如何构建应用程序的后端。
I can save time on the front end, but I may waste more time for others on the back end.
我可以在前端节省时间，但是我可能在后端浪费了更多人的时间。
It is possible to serialize all the back end data this way.
以这种方式序列化所有后端数据是可行的。
Developed an application with a simple HTML form and a PHP back end.
用简单的HTML表单和php后端开发了一个应用程序。
You probably also want to store a timestamp and IP address on the back end.
您还可能希望在后台存储时间戳和IP地址。
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