Network intelligent metal tube rotameter consists of flowmeter sensor system and network communication system.
网络化金属管浮子流量计由流量计传感系统和网络通信系统两部分组成。
2
High efficiency and high linearity space traveling wave tube (TWT) is required for satellite communication system as a high power, high gain microwave amplifier.
作为卫星通讯系统所用的高增益、高功率微波放大器件，行波管的效率和线性是非常重要的。
3
A holey fiber preform structure was made by using tube-in-tube method and was drawn at high speeds with an aim of mass production to meet the demand of next generation communication systems.