您要查找的是不是：
- Power line impedance 电力线阻抗
- Impact in variation of line impedance. 系统阻抗变化之影响。
- Compact, power line filters for home appliances. 简洁,家用电器用电源滤波器。
- Keep away from the high-tension power line. 勿靠近高压电线。
- Power line not connected or open circuited. 电源未联或开路。
- A 16,000-volt power line is very dangerous. 伏特是由它的发现者命名的。
- Second, impedance, noise and attenuation middle-voltage power line are analyzed detailed based on the experiment data, and summing up their characteristic. 其次,在实验数据的基础上对中压信道的阻抗、噪声和衰减特性做了详细的分析并总结他们各自的特点。
- Voltage provided to a ballast by a power line or power supply. 由电源或输电线输入到包括镇流器的电压。
- Results were also run for different high (relative to the line impedance) impedance values, including 900 ohms. 此结果也在不同（相对于线路阻抗）的阻抗值上运行了，包括900欧姆。
- High Performances, Wide range Double stage Power Line filters. 高性能,范围广双极电源滤波器。
- The reflection of tapered transmission line impedance is analyzed in theory and the VSWR curve of coaxial to plane converter is drawn. 摘要从理论上分析了渐变式传输线阻抗变换的反射与频率的关系，进而分析了同轴到平板过渡的电压驻波比关系式；
- Low voltage power line carrier automatic meter recording system. 低压电力线载波集抄系统。
- Standard FTT10A transceiver and Optionally Power Line Transceiver. 标准FTT10A收发器或者可选电力线收发器。
- In this paper,the operation margin of mho relays(zone 3 impedance relays) is equivalently redefined as function of bus voltages instead of line impedance. 研究了距离三段保护的动作性能,将其动作裕度定义为两端节点电压的函数。
- They were undergrounding power lines. 他们正铺设地下电力线。
- Accessories:Screw, 3M mucilage glue, videoline, power line. 液视摄像机;配件:5米视频线一条;钻头一个.
- CBF series are able to be applied to large current DC power line. CBF系列的晶片能够应用于大电流的直流电源信号线.
- Winds brought down power lines, sparking a fire. 大风刮断电线，引起了火灾。
- To shoot at power lines and related facilities. 向电力线路设施射击;
- Winds brought down power lines, sparking. 风把电线吹断,引起了火灾。
