Experiment Scheme of Toy Model Contolled by Computer in Wireless Transmittal Mode

计算机无线 遥控玩具 模型实验方案

This paper gives a development survey of ground-downhole communication system makes a summary of transmittal mode and transmission principle of signals and appraises their advantages and weaknesses respectively in the light of reliability transmission depth transmission rate and development cost .

本文介绍了地面与井下通信系统的发展概况，总结了信号的 传输 方式及传输原理，并综合可靠性、传输深度、传输速率、经济性等方面，评价了它们的优缺点。

The heat transmittal mode inside the solution is defined during the process of FVE .

确定了真空蒸发冻结过程中，溶液内部的热 传递 方式。