| 1. | Iec standard voltages ; amendment 2
Iec标准电压.第2次修订 |
| 2. | Dc standard voltage source
直流标准电压源 |
| 3. | Iec standard voltages
Iec标准电压 |
| 4. | Volt ratio boxes rated up to 1000 v are usually calibrated at rated voltage against the laboratory s standard
1000v或以下的直流分压箱一般将按其额定电压下与本所的标准电压进行校正。 |
| 5. | It os easy to adjust , its step precision is high , and can be used for a standard dc voltage source for electronic instrument
该电源具有调整方便、步进精度高等特点，可作为电子仪器直流标准电压源。 |
| 6. | Composite insulators for a . c . overhead lines with a nominal voltage greater than 1000 v - definitions , test methods and acceptance criteria ; amendment 1
标准电压大于1000v的a . c .架空线用复合绝缘子.定义,试验方法和验收标准 |
| 7. | A good reference puts out a fixed voltage under varying conditions , and you can get versions that put out any of several standard voltages
一个好的参考源可以在外部变化的条件下给出固定的电压参考，你可以使用发表过的任何标准电压源的版本。 |
| 8. | At 400 kilovolts , a standard value for long - distance transmission , an alternating current 30 metres ( 100 feet ) from the ground has a fortieth of the loss of a similar cable at ground level
在远距离传输的标准电压400千伏下，电缆离地30米（ 100英尺）时的电量损耗是同样电缆在地面时损耗的四十分之一。 |
| 9. | Operational signal has two kinds : one is analog quantity output of direct reverse action also called q type manipulator ; the other is direct reverse revolution switch quantity output also called d type manipulator , shown as the following block figure ,
输入端口具备万能信号输入功能，只需通过仪表菜单的简单选定，即可实现不同类型输入信号各种热电偶热电阻标准电压标准电流信号之间的轻松切换，提高了低度表的通用性和可靠性。 |
