地磁偏角 Magnetic declination
（重定向自Declinometer）
地磁偏角是指地球上任一处的磁北方向和正北方向之间的夹角。当地磁北向实际偏东时，地磁偏角为正，反之为负。
declinometer
/ˌdeklɪ'nɒmɪtə/ /ˌdɛklə'nɑmɪtɚ/
英汉-汉英词典
n. 方位角计,磁针偏差计
词组 | 习惯用语
您要查找的是不是：
- densitometer n. 光密度计；比重计；密度计
- clinometer n. 测角器,倾斜仪
- actinometer n. 化学线计；感光计；测光表
- declination n. 倾斜；衰微；磁偏差；谢绝
declinometer n. 磁偏计；方位角计；磁针偏差计
网络短语:
bearing meter declinometer 方位计
mechanical declinometer 机械倾斜仪
fibre declinometer 吊丝磁偏计
transit declinometer 经纬仪式磁偏计
compass declinometer 罗盘磁偏计
中文百科
英语百科
Magnetic declination 地磁偏角
（重定向自Declinometer）
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Magnetic declination or variation is the angle on the horizontal plane between magnetic north (the direction the north end of a compass needle points, corresponding to the direction of the Earth's magnetic field lines) and true north (the direction along a meridian towards the geographic North Pole). This angle varies depending on position on the Earth's surface, and changes over time.
近义、反义、联想词
近义词
n.measuring instrument, measuring system, measuring device
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