英语语法分析

A half-century later, it standsas a landmark of peaceful cooperation, demilitarization, and shared governanceamong the 47 countries that have signed.

半个世纪后，《南极条约》成为47个签约国和平协作、非军事化和共同管理的一个里程碑。

Our goal is to provide detailed scholarship on the chemistry of CW agents that is required to understand their demilitarization and their behavior in the environment.

我们的目标是提供与化学战剂有关的详细学术资料，帮助认识其非军事化和在环境中的行为。