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。