A callback allows the server to (can you guess?) call back into your Web page's code.
回调允许服务器(猜得到吗？)反向调用web页面中的代码。
Synchronous calls can be programmed, but with timeouts so that if the call can't come back in a certain time, the calling Web service can be unlocked to exit from the system.
同步调用可以通过编程来实现，但带有超时设置，如果调用在一定的时间内未返回，调用WebServices可能取消锁定，从而从系统退出。
Action that USES a simple XSLT to call the sample back end service via the Web service Proxy, and creates the response message to be sent back to the requesting client.
操作使用一个简单的XSLT通过WebServiceProxy调用样例后台服务，并创建发送回到请求客户端的响应消息。
Portals often serve as clients to back end services, so being able to quickly build portlets that can call Web services is essential.
Portal常常作为后端服务的的客户端，所以快速构建可以调用Web 服务的portlet是必不可少的功能。
Apparently, the update made by the Web service call has been rolled back, which is what we expected.
显然，Web服务调用所做的更新已被回滚，这正是我们所预期的结果。
The specified call-back function handles the response from the Web service.
指定的回调函数将处理来自Web服务的响应。
Some of her friends try to call her "Dot, " a name she rejects because it doesn't refer people back to the vegetarian Web site.
有些朋友想叫她“点儿”，她拒绝接受这个名字，因为它不能让人联想到素食主义者网站。
Some of her friends try to call her "Dot, " a name she rejects because it doesn't refer people back to the vegetarian Web site.
有些朋友想叫她“点儿”，她拒绝接受这个名字，因为它不能让人联想到素食主义者网站。
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