Dickerson and co filmed a number of dogs shaking their fur and used the images to measure the period of oscillation of the dogs' skin.
迪克森与合作者把若干条狗抖动身体甩干皮毛的过程拍下来，然后用这些图像测量狗抖动皮毛的周期。
2
It is not really necessary because my reaction time is 0.1 second, so even if I did only one oscillation, that would be enough to see whether it is coincident with that... consistent with that number.