名词短语
中文翻译：高层协议
同义词：
['high-level agreement', 'senior-level protocol']
例句：
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1. The high-level protocol for international cooperation was finalized at the summit.
国际合作的高级别协议在峰会上最终敲定。
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2.The high-level protocol is crucial for ensuring smooth communication between nations.
高级别协议对于确保国家间顺畅沟通至关重要。
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3. The high-level protocol will be implemented in phases to minimize disruptions.
高级别协议将分阶段实施，以最小化中断。