然而EJB在为消息传输定义端点、远程与异步方法调用、定时器等领域还是有一席之地的。
However, EJB will still have a place in defining endpoints for message delivery, remote and asynchronous method invocation, timers, etc.
介绍了CORBA中的四种异步激发方式：多线程方式、单向异步激发方式、延迟同步激发方式以及异步方法调用方式，并讨论了各种异步激发方式的优缺点。
In this article, we introduce four kinds of asynchronous invocation way in CORBA:Multithread, Oneway, Deferred Synchronous and AMI. We also discuss their advantages and disadvantages.
无法使用简单的方法返回异步调用的结果。
There's no easy way to return the result of an asynchronous call.
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