Though the Treaty was in effect, the threats of nuclear, chemical and biological weapons to human beings and their living environment are not eliminated completely.

核化生物武器公约的生效，并没有彻底地消除核化生物灾难对人类及其生存环境的威胁。

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In 1997, for instance, the verification system for the Chemical Weapons Treaty was devised by the world's chemical-manufacturing associations.

ECONOMIST: Citizens�� groups

When she sits down with her senior aides each morning, they reel off two-minute reports on North Korean famine, the chemical-weapons treaty pending in Congress, the hostage standoff in Peru.

CNN: Blunt But Flexible

The U.S. Senate should reject ratification of the Chemical Weapons Convention (CWC), a treaty that purports to ban chemical weapons and forbid their production, stockpiling, and use.

CENTERFORSECURITYPOLICY: Chemical weapons treaty quicksand