The ShippingService protocol could have been specified using any UML 2 behavior: an activity, interaction, state machine, protocol state machine, or opaque behavior (code).

ShippingService协议通过使用任何UML 2行为被指定，这些行为可以是：活动、交互、状态机、或者不透明行为(代码)。

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When applied to a protocol, "state" treats each series of interactions as having continuity, much like a single program's state.

当“状态”这个词应用于协议时，是指每次执行的一系列交互具有连续性，就像程序的状态一样。

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The protocol specifies that if a State Party to the Protocol considers that another State Party is not giving effect to a provision of the Convention, it may, by written communication, bring the matter to the attention of that State.

UNESCO: UK National Commission for UNESCO - UNESCO Conventions, Recommendations & Declarations in the UK

South Africa's International Relations Department said the Chief of State Protocol, Bruce Koloane, had been placed on suspension while an investigation took place.

BBC: South Africa probes India over Gupta wedding

And you're also going to hear about the importance of protocol from Tanya Turner, who is a protocol officer from the State Department.

WHITEHOUSE: First Lady Michelle Obama Discusses State and Official Visits | The White House