callback
美 [ˈkɔlˌbæk] 
英 [ˈkɔːlbæk]
- n.回拨的电话；打回的电话
- 网络回调；回调函数；回呼
词形变化
复数：callbacks
英汉双解
1. | [c] 回拨的电话；打回的电话a telephone call which you make to sb who has just called you |
2. | [u][c] 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 |
3. | [c] （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 |
4. | [c] 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 |
英汉解释
英英解释
例句
When overridden in a derived class, this method is called by the runtime to schedule a work item (callback) for a particular instance ID.
在派生类中重写时，此方法由运行时调用，用于计划特定实例ID的工作项（回调）。
That performs a look-up to determine if the control is in a list of controls associated with callback methods to be invoked.
来实现，该通用窗口过程执行查找，以确定该控件是否在与调用的回调方法关联的控件列表中。
Use this callback to release resources you do not need, * to help the system avoid killing more important processes.
使用这个回调去释放你不需要的资源，以免系统杀死更多重要的进程。
You can reduce the complexity and length of your callback methods by using different content handlers for different parts of the document.
通过为文档不同部分使用不同的内容处理程序，可以减少回调方法的复杂性和长度。
properties file; the password used for access to a private key must be supplied by a callback.
必须通过回调提供用于访问私有密钥的密码。
If you do not specify a port for a client channel, your client will not be able to receive callback functions from the remote object.
如果没有为客户端信道指定端口，则客户端将无法接收来自远程对象的回调函数。
Represents a callback method that you want to execute when a message is to be dispatched to a synchronization context.
表示在消息即将被调度到同步上下文时要执行的回调方法。
This serves as the callback mechanism we were missing when trying to invoke the human task directly from the business state machine.
这相当于一个回调机制，它在我们从业务状态机直接调用人工任务的设计方法中是没有的。
But if you don't write code to do something in that callback, nothing will get reported to your code or to the application client.
但是，如果不在该回调中编写要做某事的代码，则代码或应用程序客户机将得不到任何报告。
As an alternative to an XML file as the source of data, it is possible to provide advertisement information through a callback event.
作为XML文件的替换数据源，它可以通过回调事件提供广告信息。
If an interface element includes a callback, the interface as a whole is referred to as a "bidirectional interface" .
如果一个接口元素包含回调，则可以将整个接口称为“双向接口”。
It is at this point , in a callback method , that your programming logic gets to take part .
正是在这一点，在回调方法中，您的编程逻辑参与进来了。
The primary purpose of the callback function is to allow you to handle all the challenges thrown your way by the PAM service.
这个回调函数的主要用途是处理PAM服务抛出的所有询问。
Therefore, the IT architect has decided to use a simple request response or callback protocol between the consumer and provider.
因此，IT架构师决定在消费者和提供者之间使用一个简单的请求响应或者回叫协议。
Therefore, the IT architect has decided to use a simple request response or callback protocol between the user and provider.
因此，IT结构决定使用一种简化的查询响应或者用户与提供商之间的回叫协议。
Calls to a callback function pass indirectly from a managed application , through a DLL function , and back to the managed implementation .
对回调函数的调用将从托管应用程序中，通过一个DLL函数，间接地传递给托管实现。
Once the matter of the situation has taken a turn, often means that there will be a big callback.
一旦风向标出现转势，往往都意味着大盘将出现回调。
The data pointer will now contain the pointer to that label each time the callback is called.
现在每次调用回调时，data指针都会包含到那个标签的指针。
That printed out the name of a callback method each time the method was called.
它可以在每一次调用回调方法的时候打印方法的名称。
It's also possible to use a callback for password information, as you'll see in the next section.
也可以使用回调获取密码信息，这将在下节介绍。
This new code just looks to see whether the request object has changed in response to this onreadystatechange callback.
这个新代码只是查看请求对象是否发生改变，以响应onreadystatechange回调。
The orderer must then be prepared to respond to a request (callback, in this case) to process the final invoice.
订货方然后必须响应一个请求（在本例中是回叫）来处理最终的货物。
" I called my agent and said, " Hey, it went great. I had such a fun time. Don't expect a callback.
然后我打电话给经纪人说：“嘿，进展的很顺利，试镜很愉快，但我不指望他们能找我演。”
Use this callback to tell Windows Forms if the hosting environment is still processing messages.
使用该回调告知Windows窗体，宿主环境是否仍在处理消息。
A cache "miss" results in a callback to the client to pull in the user's group list (in the form of a PAC).
缓存“没有命中”会导致回调客户机来检索用户的组列表（格式是PAC）。
High cotton prices opened lower today, but did not create callback lows again, slowed down short-term decline.
今日棉价高开低走，但并没有再创回调新低，短期跌势有所放缓。
Each time a corresponding client socket contains any read, write or error operations, the corresponding callback function is called.
每当对应的客户端套接字包含读、写或错误操作时，调用对应的回调函数。
Application messages are delivered asynchronously through a simple callback mechanism and are provided only in byte array payload format.
应用程序消息通过一个简单的回调机制异步传递，并且只以字节数组有效负载的格式提供。
The added configuration information for this UsernameToken case is just a security callback class.
为这个UsernameToken示例添加的配置信息是一个安全回调类。
You only need to define your own protocol header and message structure, the definition of good network news can be a callback function.
你只需要定义自己的协议头和消息结构体，定义好网络消息的回调函数就可以了。，Messengerelfisasimplechattool。
as the callback function name, instead of a real function name, to let jQuery know that it should generate a function for us.
表示回调函数名，而未使用实际函数名，这是为了告诉jQuery为我们生成一个函数。
The callback method that you specify must be a static method on the page or user control that contains the Substitution control.
指定的回调方法必须是包含Substitution控件的页或用户控件的静态方法。
The URL usually includes a "callback" parameter, which is the name of the callback function that you want invoked.
该URL通常包含一个“回调”参数，它是您想要调用的回调函数的名称。
The object literal stub applied to the constructor records it's interaction with the system under test via local variables url and callback.
通过本地变量url和callback，应用于构造函数的objectliteralstub能够记录它与被测系统的交互行为。
Note that we put a ? as the callback function name instead of a real function name.
注意，我们使用？作为回调函数名，而非真实的函数名。
It will call the specified callback method when Java returns or raises a specified alert as the handler of any fault.
它在Java为了处理某个错误而返回或发出特定的告警时调用特定的回调方法。
If it expects a callback function, the client must register a channel and a port.
如果客户端需要回调函数，则必须注册信道和端口。
The dynamic temporary destinations alleviate the need for CALLBACK queues and reduce the number of queues on the system integration buses.
动态临时目的地缓解了对CALLBACK队列的需求，减少了系统集成总线上队列的数量。
The callback function is referred to as the service control handler.
回调函数被指向服务控制的句柄；
It is possible to use this callback object to obtain an instance of the RPX Project object from the RqGuiApp library.
可以从RqGuiApp库中使用回调对象获得工程对象的实例。
