名词
中文翻译：Unknown
同义词：
['rules', 'procedure', 'code of conduct']
例句：
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1.The meeting was held according to the protocol.
按照协议，会议是按计划进行的。
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2. Protocol is a set of rules or guidelines for dealing with international relations.
协议是处理国际关系的一套规则或准则。
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3. The protocol requires all participants to be present at the event.
协议要求所有参与者都出席该活动。