After deeply analyzing sniff mode which is a low power operation mode of bluetooth, a learning function is proposed to approximate the distribution of the incoming traffic at a master-slave pair.
在深入分析蓝牙的低功耗工作模式一呼吸模式基础上，提出用学习函数来近似估计主从对之间通信流分布。
2
By using perturbation mode, we study the free falling eastward body, and present the first approximate calculation formula of the rotation angular velocity of the earth.
应用微扰论的方法对落体偏东进行研究，给出了在地球自转角速度一级近似下的计算公式。
3
The approximate numerical method to deal with the coupled mode equations is presented in detail and the rationality of the method is given.