The EJB client from Example 1 can be executed by a user on demand.

示例 1 中的 EJB 客户端可以由用户根据需要执行。

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To achieve this, they demand that a user take the time to focus on them and read them.

为了达到这个目的，需要用户花费时间关注它们、阅读它们。

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Hence the consumer can access the service on demand via a user interface or via an asynchronous process requiring a reliable messaging transport.

因而，消费者可以根据自己的需要来访问这些服务，如通过用户界面或需要可靠消息传输的异步流程。

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It had to be innovative and user friendly, cost effective, robust on demand analytics, leverage master data and keep pace with the business.

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The feature uses hard drive space that's already reserved for DirecTV's video on-demand (so user accessible recording space is not impacted) and works in selections available from VOD.

ENGADGET: DirecTV HR34 DVR 'Genie' recommendations and autorecording get previewed ahead of fall launch

Within the world of consumer electronics, a smart marketing campaign can be relied upon to generate advance sales on the first batch of retail unit sales without relying on reviews or user feedback to drive demand.

FORBES: Microsoft Has A Problem With The Public's Expectation Of The Surface