| 释义 | persistent agent
 persistent agentA chemical agent that, when released, remains able to cause casualties for more than 24 hours to several days or weeks.
 persistent agent
 per·sis·tent a·gent(pĕr-sis'tĕnt ā'jĕnt) A chemical agent that under given conditions of temperature, pressure, wind, and other variables remains in the environment for longer than 1 day. Examples include sulfur mustard, Lewisite, and the nerve agent VX. |