边界

这种前沿探索为进一步深化现代边界研究提供了宝贵的第一手资料。

zhè zhǒng qián yán tàn suǒ wèi jìn yí bù shēn huà xiàn dài biān jiè yán jiū tí gōng le bǎo guì de dì yī shǒu zī liào.

This cutting-edge discovery provides valuable factual material to further deepen modern research on the frontier.

两国政府代表经过多轮友好协商，最终签署了关于划定陆地共同边界的正式条约。

liǎng guó zhèng fǔ dài biǎo jīng guò duō lún yǒu hǎo xié shāng, zuì zhōng qiān shǔ le guān yú huà dìng lù dì gòng tóng biān jiè de zhèng shì tiáo yuē.

After many rounds of friendly consultations, representatives of the two governments finally signed a formal treaty on delimiting the common land border.