• 1. multi-polarity: 多极性 | 溃
• 2. multi-threshold polarity decision: 多门限极性判决

• 1.When an one-point or multi-point earth fault occurs, the monitor can quickly detect the serial number and polarity of the branch circuit earthed, and meantime give alarm to the operator on site.
  在直流系统发生一点或多点接地时，该装置能迅速检查发生接地的直流支路编号及接地支路的极性，同时报警提示现场运行人员。
  dict.yoduao.com
• 2.Unlike the simple polarity in epithelial cells, hepatocytes are constituted of multi-polar membranes between blood vessels and bile ducts, and separated by tight junctions.
  与简单极化上皮细胞不同，肝细胞在肝脏血管与胆小管间形成多个极化膜面，并由紧密连接分隔。
  dict.yoduao.com

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