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)
  Synonym:recall

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。
• The arguments to this callback function include a transaction handle and a result set.
  这个回调函数的参数包含一个事务句柄和一个结果集。
• This callback could occur directly within MyObserver's update() method.
  这个方法是在MyObserver的update（）方法中直接进行的。
• 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。
• This code, which demonstrates server-side DOM, JavaScript code, and callback, is shown in Listing 1.
  此代码演示了服务器端DOM、JavaScript代码和回调，如清单1所示。
• Each of those interfaces requires a single callback method implementation ( afterPropertiesSet() and destroy() respectively).
  这两个接口都需要一个回调方法的实现（分别是afterPropertiesSet（）和destroy（））。
• You pass in the URL and a string naming the callback function.
  传递一个URL和命名回调函数的字符串。
• This is done in the starter project in the callback handler to the remote procedure call to the server.
  这是在服务器远程过程调用的回调处理器中的starter项目中完成。
• 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。