/ˈbaʊndəri ˈtriːti/ – Phrase
Definition: 1. hiệp định biên giới;
2. hiệp định về chế độ biên giới.
A more thorough explanation: A boundary treaty is a formal agreement between two or more parties, typically countries or states, that establishes the precise boundaries or borders between their respective territories. This treaty outlines the specific geographical demarcations and may include provisions for the maintenance, enforcement, and potential modification of these boundaries.
Example: The two countries signed a boundary treaty to establish clear demarcation lines between their respective territories.