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
- During the magnetic storms, ENA flux variation shows some important features that may be common for storms.
两次磁暴期间,ENA通量的变化表现出一些重要的共同特征。 - Discussion and experiment about the direction of magnetic variation instrument D
D磁变仪的定向讨论与实验 - The Wilson depression is investigated by using the magnetic field data of an approximately circular-shaped single sunspot near the solar center ( fig. ⅰ) and the theoretical model of magnetic field variation with depths in the sunspot.
利用靠近日面中心的一个近似园形单极黑子的磁场资科(图1)和磁场随黑子深度变化的程论模型来研究威尔逊降落。 - 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。 - Two-dimensional model by magnetotelluric data has been obtained and compared with the results by magnetic variation analysis.
这一结果与由大地电磁资料计算得到的二维模型剖面是一致的。 - This paper studies the relationship between magnetic conductance variation and fatigue life for ferromagnetic materials. A neural network model to predict the fatigue life is established, which can be used to evaluate fatigue and damage degree as well as the fatigue life for ferromagnetic materials.
研究了铁磁材料在疲劳过程中磁导率的变化与疲劳寿命间的对应关系,建立了预测疲劳寿命的人工神经网络模型,它可用于估算材料的疲劳损伤程度,预测材料的疲劳寿命。 - The possibility of accomplishing the automatic modification of magnetic variation in a simple way is analysed for the medium-range and short-range aircraft in our country.
最后,针对国内中短程飞机的飞行特点,探讨了用简便方法实现磁偏角自动修正的可能性。 - The grinding and polishing technology for large-aperture high-accuracy aspheric surface is introduced, such as stress polishing, magnetic variation polishing, ion beam polishing and six-axis linkage polishing, which is directly related to the development of relative research area such as control level and mechanical design ability.
介绍了高精度光学非球面的研磨、抛光技术与计算机控制水平、机械设计能力等相关领域的发展。 - 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。 - 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