名词
中文翻译：移民流动
同义词：
['emigration current', 'migration current']
例句：
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1.The migration current is responsible for the movement of migratory birds.
迁移电流负责鸟类的迁徙运动。
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2.The migration current has a significant impact on the ecosystem.
迁移电流对生态系统有显著影响。
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3. The migration current was studied using high-resolution models.
使用高分辨率模型研究了迁移电流。