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
- 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。 - 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 - The motion of magnetic domain walls and the variation of MAE intensity in grain-oriented 3% Si-steels acted on by applied tension and a magnetic field have been observed.
本文观察了晶粒取向3%Si-Fe在外加拉应力和磁场作用下,磁畴壁的运动及声发射强度(MAE)变化的一些现象。 - 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 fatigue status of the wire ropes bended was simulated. Surface magnetic field distribution of the wire ropes was tested by metal magnetic memory technology, and the variation of magnetic field intensity was analyzed and compared.
模拟钢丝绳的弯曲疲劳状态,运用金属磁记忆技术对钢丝绳表面的磁场分布进行检测,并对其磁场强度的变化进行了分析和比较。 - 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 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。 - 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 - The magnetic field distribution and parametric variation of DSPM motor is analyzed after load through simulated real currents.
模拟了实际电流的换相过程,给出了电机带载后的磁场分布和参数变化规律。 - 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。