Seismograms are recordings of ground motion as a function of time and are the basic data which seismologists use to study the waves generated by earthquakes.
振动图是用来记录地面随时间运动并且是地震学家用来研究地震波的基础数据。
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The gear dynamics analysis is, according to the theory of vibrate dynamics, to study the basic rule of vibration, shock and noise which created by gear system while transferring power and motion.
The image source has been designed to generate images for LCD transition curves measuring and perception study, as a basic platform for evaluating "Motion artifact".