Binary chemical weapons mix two, separate, relatively non-toxic chemicals in flight to create a toxic chemicalagent.

二元化学武器通过将相互分离的两种无毒化学品混合，生成有毒化学品。

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According to the October 1994 Reader's Digest, Mr. Mirzayanov is personally aware of Russia's development of a class of binary chemical weapons (formed by combining two relatively safe chemicals to produce a toxic agent) nicknamed "Novichok" (Newcomer).

CENTERFORSECURITYPOLICY: A Noxious Arms Control Treaty