Synchronous and asynchronousnotification provides the flexibility required for all but the most esoteric situations.
而同步和异步通知则为不同的解决方法提供了非常大的弹性。
2
For example, scheduling a procedure or a test for a patient and requesting asynchronousnotification of such events as availability of test results.
例如，为患者安排手续或检查，并请求检查结果的有效性等事件的异步通知。
3
In this way, even without polling, the client is always in a state waiting for a response from the Web service, which simulates an asynchronousnotification.