callback
英 [ˈkɔːlbæk]
美 [ˈkɔːlbæk]
n. 回拨的电话; 打回的电话; 回叫(指计算机或电话系统用户通过连接某台计算机证实自己的身份，然后该系统对之进行回调); (对求职者等的)召回
COCA.29585
牛津词典
noun
- 回拨的电话；打回的电话
a telephone call which you make to sb who has just called you - 回拨的电话；打回的电话
a telephone call which you make to sb who has just called you - 回叫（指计算机或电话系统用户通过连接某台计算机证实自己的身份，然后该系统对之进行回调）
a process by which the user of a computer or telephone system proves their identity by contacting a computer, which then contacts them - （对求职者等的）召回
an occasion when you are asked to return somewhere, for example for a second interview when you are trying to get a job - 商品召回（因有安全隐患等）； 回收瑕疵品
an occasion when people are asked to return goods that they have bought, usually because they are not safe
英英释义
noun
- a request by the manufacturer of a defective product to return the product (as for replacement or repair)
双语例句
- In this code fragment, updatePage() is the callback, and request is the XMLHttpRequest object.
在这个代码片段中，updatePage（）是回调方法，request是XMLHttpRequest对象。 - This is indicated by the callback parameter on the query.
这由查询中的callback参数指出。 - System login modules and utility classes ( for example, callback handlers and callbacks) for the sending server.
发送服务器的系统登录模块和实用工具类（例如，回调处理程序和回调）。 - However, you can develop a custom callback handler to pass the user ID and password dynamically.
但是，您可以创建一个自定义回调处理器，动态传递用户ID和密码。 - You must handle the exception in the callback procedure, not in the main application.
您必须在回调过程中（而不是在主应用程序中）处理异常。 - Moreover, you can also specify a callback function if you request JSON data from the service.
此外，如果您向服务请求JSON数据，还可指定回调函数。 - There is an asynchronous callback model and an asynchronous polling model.
其中包含异步回调模型和异步轮询模型。 - To accomplish this, you can register a callback function with the XMLHttpRequest and then dispatch the XMLHttpRequest asynchronously.
为了实现这个要求，可以在XMLHttpRequest上注册一个回调函数，然后异步地分派XMLHttpRequest。 - Finally, in the call to get_request(), we submit the callback information.
最后，在对getrequest（）的调用中，我们提交了回调信息。 - In this case both a mouse click handler and a timer callback are waiting.
在这时，一个“鼠标点击事件处理函数”和一个“计时器回调函数”都在等待执行。