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
- 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。 - , 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。 - The development of visualized editing software for magnetic diurnal variation
磁日变可视化编辑软件的开发 - 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。 - 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。 - 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。 - 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。 - The thermodynamic quantities such as the long-range and short-range order parameter, the internal energy, the entropy, the specific heat as well as the magnetic susceptibility were calculated in variation with temperature.
文中算出了相关的热力学量如内能、潜热、熵、比热、长程和短程序参量,以及磁化率等。 - 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。 - 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。