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- During the solar eclipse time, the earth magnetic field is not stable, and harmful ultraviolet as well as high-energy photons are very active. 因为日食期间，地球的磁场将会非常不稳定，同时及其有害的紫外线和高能粒子流将在地球大气相当活跃。
- Pre polarizing and spin echo method are often used in NML tool, and the magnetic field used has been changed from primitive earth magnetic field to man made magnetic field. 核磁测井仪中多采用预极化方式或自旋回波法，所用的磁场已从最初的地磁场演变到现在所用的各种人工磁场，所用的测量方式要与采用的磁场设计相适应。
- An iron case will keep the Earths magnetic field away from the compass. 铁箱能使地球磁场影响不了指南针。
- They can track the earths magnetic field as sensitively as a compass needle. 它们对地球磁场也十分敏感，如同使用了指南针。
- Dynamic adjusting gyroclinometer is a non-magnetic device, which can be used conveniently in wellbore measurement and orientation in strata where earth magnetic field are shielded or disturbed. 动调式陀螺测斜系统是一种非磁测量仪器系统,可以方便地用于大地磁场受到屏蔽或干扰的地层中井眼轨迹的测量和定向。
- The incoming streams of solar protons and electrons are affected by the earths magnetic field in a complicated way. 太阳的质子和电子的入射流，受到地球磁场的复杂作用。
- Motion of charged particles in earth magnetic field 带电粒子在地磁场中的运动
- Consequently,knowledge on the shear viscosity of liquid iron will help us to understand the working mechanism of the the Earths magnetic field. 研究外核液态铁的剪切粘滞度对认识地球磁场的运转机制具有非常重要的意义。
- earth magnetic field (geomagnetic field) 地磁场
- measuring earth magnetic field by Gaussian process 高斯法测地磁场
- horizontal component of earth magnetic field 地磁场水平分量
- horizontal component of the earth magnetic field 地磁场水平分量
- It shows the presence of a magnetic field. 这表明有磁场存在。
- Effeet of Colour Purity to Earth Magnet and Setting of Analog Magnetic Field 地磁对色纯的影响和模拟磁场的设置
- On Teaching of Physical Methods from the Issue of Earth Magnetic Field 从地磁场问题谈物理学方法教育
- 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。
- 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。
