| 1. | Measurement of power frequency electric and magnetic fields from ac power lines
交流电力线路工业频率电场和磁场的测量方法 |
| 2. | Each piece of machinery will place unique transient waveforms on the ac power line
每一件机器将在交流电线上产生独特的电涌波形。 |
| 3. | Procedures for measurement of power frequency electric and magnetic fields from ac power lines
交流电力线工频电场和磁场的测量程序 |
| 4. | Electronics equipments have been widely used , causing harmonics pollution to ac power lines
随着电子设备在工业应用中日益增多,对电网的谐波污染也越来越严重。 |
| 5. | The ac power lines and the telecommunication lines should be referenced together at the building entry point
在建筑物入口端，电源线和通信线应该连接一起接地。 |
| 6. | The only access points for transients are the ac power line wires and any data and telecommunication wiring
电涌唯一的接入点就是交流电源线和任何的数据及电信接线。 |
| 7. | The ac power lines should be protected at the origin ( building entry point ) and at each of the succeeding protection zones within the building
电力线的入线端（即建筑物入口端）以及建筑物内随后的各防护区处都应加以防护。 |
| 8. | In the united states , an independent industry group , the computer business equipment manufacturers association ( cbema ) issued design guidelines for equipment connected to the ac power lines
在美国， “计算机商用设备制造协会” （ cbema ）是独立的工业团体，发表了与交流供电系统连接的设备之设计准则。 |
