magnetic variation

英 [mæɡˈnetɪk ˌveəriˈeɪʃn]

美 [mæɡˈnetɪk ˌveriˈeɪʃn]

偏(磁)差

电力

英英释义

noun

• the angle (at a particular location) between magnetic north and true north
  Synonym:magnetic declinationvariation

双语例句

• The perturbation effect of the earth's magnetic field on the variation of the semimajor axis and eccentricity of the orbit of a charged equatorial satellite is studied by using the method of the perturbation.
  本文利用摄动理论研究了带电的赤道卫星在地球磁场中做椭圆轨道运动时地磁摄动力对轨道半长径和偏心率的摄动影响。
• The one-soliton solution indicates obviously the spin precession around the magnetic field and periodic shape variation induced by the time-varying field as well.
  从单孤子解的表达式可以明显看出自旋绕着外磁场进动，且孤子的形状随外磁场的作用周期性变化。
• 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。
• 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。
• 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。
• 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 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。
• Based on the law of electromagnetic induction, a method to measure the magnetic susceptibility variation of liquid metals was proposed and the instrument was developed.
  提出一种基于电磁感应原理的测量液态金属材料磁化率变化的方法并开发相应装置，分析该装置的基本工作原理。
• Method and device for measuring magnetic susceptibility variation of metal materials in liquid state and during solidification
  金属材料在液态和液固转变过程中磁化率变化的测量方法和装置