| 1. | First long distance line , boston to providence
第一根长途电话线，从波士顿到普罗维登斯。 |
| 2. | Plans for public utilities , water resources and long - distance lines ; sewer network drawings of public sewerage systems
水源和远程管线的市政公用设施设计图.公共污水系统用 |
| 3. | Plans for public utilities , water resources and long - distance lines ; plans for long - distance pipelines , technical regulation of the dvgw german gas and water engineers association
公共设施水源和长途线路规划图.长途线路规划图. dvg |
| 4. | The method is significant to the domestic study on current differential protection using optical fiber communication channel of subway line or short distance line
该方法对我国自行研制地铁线路或短线路光纤纵差保护有一定的参考意义。 |
| 5. | Meetings at new york and chicago of the american institute of electrical engineers ( aiee ) are linked by long distance lines connected to loudspeakers so that both meetings could follow the same program ( 14 february )
2月14日，在纽约和芝加哥举行的美国电子工程师协会（ aiee ）会议，通过长途电话线连接两端的扩音器，以使两地会议能够按议程同步进行。 |
| 6. | According to the characteristic of subway power alternating current transmission line , a new synchronous method based on reference zero point of the wave shape of voltage was proposed . the method is suitable to short distance line such as the subway power alternating current transmission line
根据地铁电力交流联络线的特点，作者提出了一种适合于短距离线路保护的参考电压零点的同步算法，并对该算法的优缺点进行了详细的分析与仿真。 |
