1、等磁差线
... 非旋性流 irrotational flow 等磁差线 isogonic line 易燃材料 inflamable material ...
2、[地物]等偏线
...isogonal line 等偏线isogonic line 等偏线isolated neutral system 中性点不接地系统 ...
3、[地物]等磁偏线
... Nominal range额定光力射程，额定光达距离(气象能见距离为10海里时的光达距离) Isogonic line等磁偏线 skip zone(电波)跳跃地带，静区 ...
4、等偏差线
... isogonic curve 等磁偏线；等方位线 isogonic line 等偏差线 isogonic map 等磁偏线图 ...