1.
Verification and uncertainty evaluation of the DC low current reference source
直流小电流标准源的检定与不确定度评定
2.
The Calibration and Uncertainty Evaluation of the Accurate DC Standard Current Source
高准确度直流标准电流源的校准与不确定度评定
3.
DC current or voltage source. Magnitude of AC component can be specified.
直流电流源或电压源。可指定交流分量的大小。
4.
Indutrial Interfence of the Standard Cell in a Dc Potentiometer System
直流电位差计中标准电池受到的干扰
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.
AC current or voltage source. DC offset can be specified.
交流电流源或电压源。可指定直流偏移。
7.
System of Data Sampling and Control for DO30-Ⅲ DC/AC Voltage and Current Standard Supply
DO30-Ⅲ交直流标准源数据采集及控制系统
8.
On the Inductance of the Calculable AC/DC Resistance Standard of Toriod Type;
用于计量标准的交直流电阻标准转换的电感计算
9.
Operation From DC Power Supply: Batteries.
使用直流电源：干电池。
10.
PC-controlled Josephson DC voltage standard equipment
一种可程控约瑟夫森直流电压标准装置
11.
This presentation will overview researches and applications of quantum standards in electrical metrology such as dc voltage, resistance and ac-dc measurements.
概括介绍直流电压、电阻等量子标准和交流－直流转换测量的研究进展。
12.
Development of beam-based alignment system using a switchable shunt resistor for HLS
合肥光源利用电阻分流法的基于束流准直系统的研制
13.
Standard for D.C.drainage protection of buried steel pipelines
埋地钢质管道直流排流保护技术标准
14.
Study on Active Fiber DC Transducer Used in HVDC;
高压直流输电有源光纤直流电流传感器的研究
15.
combined a.c. and d.c. welding power source
交直流两用弧焊电源
16.
transistorized regulated DC power supply
晶体管直流稳压电源
17.
The Monitor System of DC Remote Reserve Power Supply of Pas Cell Station;
小灵通基站后备直流远供电源监控系统
18.
circuit design, wiring diagrams, schematics, AC/DC sources
电路设计, 接线图, 示意图, 交流/直流电源