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候鸟
释义
候鸟
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理学
鸟纲
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migrant birds
候鸟
一年之中随着季节变化,定期地沿着比较稳定的路线,在繁殖区和越冬区之间迁徙的鸟类。又称迁徙鸟。
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emergency information report
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emergency management agency
emergency management committee
emergency management information system
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emergency management of hydropower station
emergency management plan for flood control
emergency management regime
emergency management system
emergency management“one plan and three systems”
emergency mechanism
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