I am learning command design pattern. As far as I know, four terms always associated with the command pattern are command, receiver, invoker and client.

我在学习命令设计模式。据我所知，总是与命令模式相关的四项命令，接收，调用和客户端。

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Chapter four narrated the design detail in NIM module and USB interface of satellite receiver in detail.

第四章详细叙述了卫星接收机NIM模块和USB接口的设计细节。

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From the Angle of culture dissemination, this paper studied the mode of brand culture dissemination, with four factors, which are message, path, receiver and result.

将文化传播中的讯息、途径、接收者和效果四个要素与品牌文化的特征结合起来，从文化传播的角度，研究了品牌文化传播模式。

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Reid was already subject to a suspended sentence after he obtained credit while bankrupt and sold four vehicles which should have been handed over to the Official Receiver.

BBC: Gardener Paul Reid jailed after bailiff axe threat

Not to mention that Arizona also has a promising young receiver in Early Doucet, who has constantly improved over his four years in the league, posting career highs last season in receptions (54), yards (689) and touchdowns (5).

FORBES: Arizona Cardinals Are Best Fit For Peyton Manning