isogonic line
isogonic line是什么意思、isogonic line怎么读
【电】 等偏线
isogonic line汉语翻译
【电】 等偏线
isogonic line英语解释
名词 isogonic line:
- an imaginary line connecting points on the Earth's surface where the magnetic declination is the same同义词：isogonal line, isogone