Looking at the frequencydifference, they realized that the shaking speed was connected to the radius of the animal's body.
通过观察身体动作频率的差别他们了解到，抖动的速率原来与动物身体的半径有关。
2
A formula of atmospheric refraction error of range measured by differencefrequency delay method is presented.
给出了用差频延时法测距的距离折射误差计算公式。
3
To overcome the disadvantages of light intensity differencefrequency stabilization, the dithering frequency stabilization for four frequency differential laser gyro is studied in this paper.