The main technical parameters, design thought, design structure and testing of the higher cross braced low power freight car bogies with 2e axles are described.
介绍了2e轴中交叉支撑低动力作用货车转向架的主要技术参数、设计思想、设计结构及试验等情况。
Optical power measurement is one of the basic testing parameters of fiber-optic communication system.
光功率测量是光纤通信系统最基本的测试参数之一。
The paper introduces a data transmission method for wireless testing of oilwell underpit parameters (pressure and temperature) and low power consuming control circuits of underpit emission devices.
介绍一种油井井下参数（ 压力、 温度）无线测试的数据信息传输方法及井下发射装置低功耗控制电路。
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