Geomagnetic activity, the natural variations in Earth's magnetic field, it fluctuates in 11-year cycles.
地磁活动是地球磁场的自然变化，其波动周期为11年。
Variations in Earth’s magnetic field cause them to spin in different ways, each of which leaves the compass in a slightly different chemical state.
地球磁场不同的变化会造成它们不同的自旋方式，每种方式都会让罗盘的化学状态表现出细微的差异。
In other variations, a planet named Nibiru crashes into us or the Earth's magnetic field flips.
其他的版本还有名为Nibiru的行星撞向我们或者地球磁场翻转等灾难。
Maybe they sense slight variations in the rate of change in the magnetic field, much like a hiker reads tightly spaced lines on a topographic map to discern a distinctive canyon.
也许它们感受磁场变化速度的细微变化，就像登山旅行者参照地形图上密密麻麻的线段以辨别一个与众不同的峡谷。
Hint: it is recommended that teams design their robots to cope with variations in lighting and magnetic conditions, as these vary from venue to venue.
提示：鉴于各个场地的条件不同，建议各队设计好自己的机器人使其能够适应各种照明和磁场情况。
The magnetic frequency dependent susceptibility of lacustrine sediment is one of the main environmental indexes for reconstructing historical environmental variations.
湖泊沉积物频率磁化率是恢复历史时期环境变化的重要环境指标之一。
The electron beam transverse temperature variations with anode region and acceleration tube design parameters as well as the uniform solenoidal magnetic field are presented.
给出了电子束的横向温度随电极结构和螺线管纵向磁场的变化情况。
With the variations in the DC supply voltage, it is easy to alternate the input DC voltage of the converter and control the rotating speed of stator's magnetic flux.
通过直流电源电压的变化，可以方便地调节定子磁链的旋转速度。
The current intensity of variations will produce self-induction when a closed coil moves in magnetic field. Must be attended to the contribution of the current by self-induction to total current.
闭合线圈在磁场中运动，线圈中的电流变化将产生自感，自感电流对总感应电流的贡献是不容忽视的。
The current intensity of variations will produce self-induction when a closed coil moves in magnetic field. Must be attended to the contribution of the current by self-induction to total current.
闭合线圈在磁场中运动，线圈中的电流变化将产生自感，自感电流对总感应电流的贡献是不容忽视的。
应用推荐