基本释义:

正常极性间隔

网络释义

1)normal-polarity interval,正常极性间隔

2)polarity interval,极性间隔

3)Normal polarity,正常极性

4)regular interval,正常周期[间隔]

5)polarity subinterval,极性亚间隔

6)polarity superinterval,极性超间隔