IMabbr.脉冲调制（=impulse modulation)abbr.感应电动机（=Induction Motor)Imizin丙咪嗪[抗抑郁药]

1. But immigration rules have since been tightened.
   但是现在，移民政策收紧了。
2. Others hope to decouple migration policy from party politics.
   有人希望移民政策能够同政党政治脱钩。