|
|
| 21. | C）数据库系统 Websites that run from databases come with administration screens to edit the contents of the |
| 如果网站中包含数据库的运行，那么一定包含一个数据库内容的管理窗口。数据库内包括了产品目录、子商务、闻页面和布告栏。 |
|
|
| | |
| 22. | SIEG BLITZ EK 是一家现代化的、靠的产品供应商，这家供应商从事切割系统,焊接系统,气焊,其它,拆除的机床的制造、售。请您访问我们的主页，垂询当前的产品系列和服务。 |
| The enterprise of SIEG BLITZ EK offers you Cutting systems, Welding systems and Other as well as the further Oxyacetylene process and Dismantling machine tools. |
|
|
| | |
| 23. | 文摘:主要阐述了遥控水位监测系统的工作原理及实现方法.该系统能进行贮水池水位的自动检测、水位信号的无线传输，并能借助微机控制实现水位的显示和定点报警. |
| Abstract: This paper describes the principle and the methed of the telecontrol system of water-level monitoring, which realizes the autom atic measurement of the water-level, transmitting of water-level signals by ra dio, and water-level display and preset-point alarm by use of microcomputer co ntrol technique. |
|
|
| | |
| 24. | The system cuts dependence on paper-driven communication. |
| 这套系统减弱了依靠纸张交流的方式。 |
|
|
| | |
| 25. | AC three phase four wire system with neutral earthed |
| 中性点接地的交流三相四线系统 |
|
|
| | |
| 26. | AC Synchronizer System Based on PIC MCU Driving |
| 基于PIC单片机驱动的交流同步器系统 |
|
|
| | |
| 27. | Silicon carbide surge arresters for A.C.systems |
| GB7327-1987交流系统用碳化硅阀式避雷器 |
|
|
| | |
| 28. | The DC system is normally supplied from a battery charger system, which is supplied from the low voltage AC system. |
| 直流系统通常由蓄电池充电系统供电,蓄电池充电系统由低压交流系统供电。 |
|
|
| | |
| 29. | Short-circuit current calculation in three-phase a.c.systems |
| GB/T15544-1995三相交流系统短路电流计算 |
|
|
| | |
| 30. | alternating current three phase three wire system with earthed hull as neutral wire |
| 利用船体作为中性线回路的交流三相三线系统 |
|
|
| | |