磁偏角或磁偏差：罗盘指针指向地理北方时与磁北方之间的角度差异。
magnetic declination //
名词 the angle that a compass needle makes with the direction of the geographical north pole at any given point on the earth's surface 磁偏角 (Also called declination, magnetic variation)
the angle (at a particular location) between magnetic north and true north
同义词： magnetic variation / variation
磁偏角
磁偏角
磁力偏差
磁偏角
磁偏角
... general refractive index 广义折射率（量子信息） geomagnetic declination 地磁偏角 geomagnetic inclination 地磁倾角 ...
[地物]磁偏角地球[地物]磁偏角(geomagnetic declination):地球概况任一点的磁子午圈异地舆子午圈的夹角 。因指南针、磁罗盘是测定磁偏角最简略的安装,所以磁偏角的发觉战.
... Lyle John Tillman 约翰·蒂尔曼·莱尔 magnetic declination 磁力偏差 maintenance and disposal 维修和处理 ...
... magnetic course 磁航线 magnetic declination 磁偏角;磁差 magnetic dip 磁倾角 ...
On the Earth's surface where the magnetic declination is zero.
一条在地球表面上连接磁偏为零的点的假想线。
The magnetic declination of palaeomagnetic mean directions of the Bohemian Massif and that of Inner Sudetie Basin of Late Carboniferous Epoc differed 17 degrees.
波希米亚地块与内苏台德盆地地区晚石炭纪古地磁平均方向的磁偏角相差17度。