protocol

protocol
noun

[mass noun]the official procedure or system of rules governing affairs of state or diplomatic occasions
国事礼仪；外交礼仪
protocol forbids the prince from making any public statement in his defence.
礼仪禁止王子作任何公开辩护。
■the accepted or established code of procedure or behaviour in any group, organization, or situation
（团体、机构或一定情况中的）惯例，习惯做法
what is the protocol at a smart lunch if one's neighbour dozes off during the speeches?.
如果在时髦上层人士午餐会上演讲过程中你的邻座打瞌睡，人们一般该怎样做？。
■[count noun](Computing)a set of rules governing the exchange or transmission of data electronically between devices
(计算机)协议，约定，规程
the original draft of a diplomatic document, especially of the terms of a treaty agreed to in conference and signed by the parties
（尤指条约的）外交协议草案
■an amendment or addition to a treaty or convention
（协定，公约）修正案（或增补）
a protocol to the treaty allowed for this Danish referendum.
该条约的一项修正为这次丹麦的公民复决开了口子。
a formal or official record of scientific experimental observations
（科学实验结果的）官方记录
■a procedure for carrying out a scientific experiment or a course of medical treatment
（科学实验、医疗的）规程

语源

late Middle English (denoting the original minute of an agreement, forming the legal authority for future dealings relating to it): from Old French prothocole, via medieval Latin from Greek prōtokollon 'first page, flyleaf', from prōtos 'first' + kolla 'glue'. Sense 1 derives from French protocole, the collection of set forms of etiquette to be observed by the French head of state, and the name of the government department responsible for this (in the 19th cent.)

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