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- earth basic magnetic field 地球基本磁场
- It shows the presence of a magnetic field. 这表明有磁场存在。
- The magnetic field of the earth creates a torque around the pivot. 地球的磁场在支点周围产生一个转矩。
- Uranus does have a magnetic field even stronger than Earth's. 天王星确实有磁场，甚至比地球的磁场还大。
- Usually the earth's magnetic field acts as a shield. 平常，地球磁场构成了一个保护屏。
- Pigeons navigate less accurately when the earth's magnetic field is disturbed. 地球磁场受到干扰时，鸽子的道航能力就会变得不准确。
- The earth's magnetic field protects us from the sun's harmful radiation. 地球磁场让我们免受太阳辐射的伤害。
- Basic magnetizing curve model was given. 介绍了变压器的基本磁化曲线模型。
- Can Magnetic Field Drill through a Piece of Iron? 磁场能穿过铁片吗?
- The string is in a magnetic field. 振动弦处于磁场之中。
- The force exerted by a magnetic field. 力由磁场施加的力。
- The lines of force of a magnetic field. 磁力磁场的磁力线
- These material periodicity regular movements and so on convection as well as Earth polar axis rotation are possibly the basic source powers which the terrestrial magnetic field produces. 这些对流以及地球极轴自转等物质周期性规律性运动可能是地球磁场产生的根本源动力。
- A device used to determine geographic direction, usually consisting of a magnetic needle or needles horizontally mounted or suspended and free to pivot until aligned with the magnetic field of Earth. 指南针用于确定地理方向的设备，通常包括一个或多个水平安装或悬挂的磁针，可在枢轴上自由活动直到与地球磁场在一条线上
- The class of phenomena exhibited by a magnetic field. 磁性磁场显示的一组现象
- The current in the conductor sets up a magnetic field. 导体里的电流形成一个磁场。
- A third radiation group was unaffected by the magnetic field. 第三组射线不受磁场的影响。
- We might put the current-carrying wire in a magnetic field. 我们可将载流导线置于磁场中。
- In this paper,the formulae of magnetic field pattern have been derived with the basic theory of electromagnetism. 对二维摇摆器进行了场形分析，得到了单组元永磁体直线阵列摇摆器磁场的解析表达式。
