magnetic variation
英 [mæɡˈnetɪk ˌveəriˈeɪʃn]
美 [mæɡˈnetɪk ˌveriˈeɪʃn]
偏(磁)差
英英释义
noun
- the angle (at a particular location) between magnetic north and true north
双语例句
- Monito ring of JHE magnetospheric ring current by using magnetic variation field at middle and low latitudes
用中低纬度变化磁场监测磁层环电流强度 - Compass heading or compass course, before correction for magnetic deviation or magnetic variation.
罗盘航向或罗盘航线。未修正磁偏转或磁变。 - Magnetic field induced variation of open circuit state of iron in chloride solutions
磁场作用下铁在盐酸和氯化钠溶液中自腐蚀状态的变化 - It is worthwhile to note that in some cases the variation of coarse quartz volume fraction exhibits a disagreement with both magnetic susceptibility variation and the marine oxygen isotope curves.
值得注意的是由石英粗颗粒体积分数反映的东亚冬季风变化，在某些时段不仅同磁化率记录的夏季风变化不协调，而且同深海氧同位素记录存有明显差异。 - , By using x~ 2 test method, it is found that shallow shockes are under the influence of the motion of rising intersection of Lunar with 18. 6 years's cycle and sunspot magnetic variation period per 22 years.
经χ~2检验可知。东北浅震受18.6年周的月球升交点运动和22年周的太阳黑子磁场交变影响较显著。 - Magnetic heading, the compass heading corrected for magnetic deviation but not magnetic variation; thus, the heading relative to magnetic north.
磁航向，修正了磁偏转但未修正磁变，也就是相对于地球的北磁极的航向。 - Discussion and experiment about the direction of magnetic variation instrument D
D磁变仪的定向讨论与实验 - The problems to be solved in transplanting the automatic modification program of magnetic variation and the methods for solving them are discussed.
作者指出了要实现磁偏角自动修正程序移植要解决的问题以及解决这一问题的途径。 - Based on the analysis of magnetic daily variation in two magnetic base stations, this paper puts forward a measure method of the equation of time between stations with correlation coefficient and reduces a calculating formula for correlation coefficient.
通过对两站地磁日变数据的分析，提出了利用相关系数法解算地磁日变观测站间测量时差的方法，导出了地磁日变观测站间观测数据的相关系数计算公式。 - Perturbation effect of the earth ′ s magnetic field on the variation of the semimajor axis and eccentricity of the orbit of a charged equatorial sattellite
地球磁场对带电赤道卫星的轨道半长轴和偏心率的摄动影响