service primitive

Service primitive and command frame are prototypes and reference specifications for design of protocol stack. At last, this paper studies and analyzes primitives and command frames in 802.15.4/ ZigBee, and realizes relevant primitives and command frames of ZTF-MAC.

服务原语和命令帧的设计是通信标准协议栈设计的原型和参考规范，本文最后研究和分析了802.15.4/ZigBee协议规范中的服务原语和命令帧，并为ZTF-MAC设计实现了相关的原语和命令帧。

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The type of a service operation parameter should be either a primitive type or a DataType.

服务操作参数的类型应当或者是一个原始类型，或者是一个DataType。

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The new support in the primitive lets you querying either a single protocol, all protocols, or the existing behaviour of Web service and SCA endpoints, as show below

在原语中的新支持让您可以查询单一协议、所有协议或Web服务和SCA端点的现有行为，如下图所示

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This primitive deletes all cache entries that belong to a specific session ID and is called as a separate service by the front-end system when the user session expires.

此原语删除所有属于某个特定会话ID的缓存条目，在用户会话过期时作为一个独立服务由前端系统调用。

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