The bullet has a small magnet inside that lets it generate AC current as it spins and a microprocessor that measures those current oscillations to derive how far it's traveled.
子弹藏有一块小磁铁和一颗芯片，子弹旋转带动小磁铁产生直流电，芯片通过电流波动感知射程的远近。
The coherent spin oscillations in the dot provide a source for generating spin current.
研究结果表明，量子点中的相干自旋振荡可以导致自旋电流的产生。
Electric currents: electric current, Ohm's law, conductivity, Kirchhoff's laws, time varying currents, free and forced oscillations, condensers, inductance, complex impedance, resonant circuits.
电流：电流，欧姆定律，电导率，基尔霍夫定律，时变电流，自由和强迫振荡，电容器，电感，复阻抗，谐振电路。
The beam current and tuner position dependencies of the amplitudes of the longitudinal oscillations were measured, and the results were discussed in comparison with the theory.
给出了这两种振荡与调谐杆位置及束流流强的依赖关系，并和理论计算的结果进行了比较。
The source includes HF hardware, and generates different HF oscillations applied directly to the clutch housing or to the clutch-apply current command.
该源包括高频硬件，并产生不同的直接施加到离合器壳的或直接施加到用于离合器的电流指令的高频振荡。
The source includes HF hardware, and generates different HF oscillations applied directly to the clutch housing or to the clutch-apply current command.
该源包括高频硬件，并产生不同的直接施加到离合器壳的或直接施加到用于离合器的电流指令的高频振荡。
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