poly phase

常见例句

• The child is going through a difficult phase.
  那孩子正经历困难的阶段。
• The two sets of traffic lights were out of phase.
  那两组交通灯不同步。
• They have decided to phase in the new techniques.
  他们已决定逐步引入新技术。
• The windshield wipers are out of phase now.
  挡水玻璃刮水器现在动作不协调。
• passive poly phase filter
  无源多相位滤波器
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