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| 持久毒剂 | |||
| 持久的毒剂; 长效剂 | |||
| 持久性毒剂 | |||
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| 持久性化学战剂 | |||
| English thesaurus | |||
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| A chemical agent that, when released, remains able to cause casualties for more than 24 hours to several days or weeks. (JP 3-11) | |||
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persistent agent : 4 phrases in 2 subjects |
| Aviation | 1 |
| United Nations | 3 |