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- Light is a wave composed of coupled electric and magnetic fields oscillating in synchrony at very high frequencies. 光是一种由电场与磁场耦合在一起进行高频同步振荡所形成的波。
- The electric and magnetic fields oscillate perpendicular to each other and perpendicular to the direction the light is traveling. 它的电场与磁场以互相垂直的方向振荡，并垂直于光的行进方向。
- the magnetic field oscillates in sympathy. 磁场正做和应式的振动。
- It shows the presence of a magnetic field. 这表明有磁场存在。
- 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
- The influence of uniform magnetic field or PPM(periodic permanent magnetic) field on suppressing BWO(back-wave oscillation) is analyzed on the basis of the 2-D small signal model. 在2维小信号模型的基础上,分析了均匀和周期永久聚焦磁场对抑制返波自激振荡的影响。
- 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。
- 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。
- We might put the current-carrying wire in a magnetic field. 我们可将载流导线置于磁场中。
- The stronger the magnetic field,the more current is generated. 磁场越强，发出的电流就越多。
- Mariner Ten showed that Mercury has a weak magnetic field. 水手10号发现，水星有一个很弱的磁场。
- A fluctuating magnetic field is produced in the iron. 铁心中就产生交变磁
- Astronomers cannot explain the magnetic field on Uranus. 天文学家们对天王星上的磁场无法解释。
- In this case, a magnetic field will be built up round the coil. 在这种情况下，线圈周围将形成一个磁
