The traditional power meter calibrating system usually has the shortcomings of low efficiency and large volume due to its standard voltage and current source rely on the analog amplifier.
传统的电力校表台由模拟功放向待校电表及标准表提供校表电流，造成系统效率低、体积大、重量重。
Taking the KEITHLEY 6517 electrostatic meter as measurement standard, using the standard meter method, the accurate and reliable verification to the DC low current reference source could be realized.
利用KEITHLEY 6517静电计为测量标准，采用标准表法，实现对直流小电流标准源准确、可靠的检定。
The core of Long March 6 will use the standard 3.35-meter (11-ft.) diameter of the current Long March series, Meng and other SAST officials say.
长征6个核心将使用标准的3.35米的长征系列目前，孟，其他先科官员说，(11英尺)的直径。
The measurement system comprises a voltage sensor, a current sensor and a standard electric energy meter.
所述测量系统由电压传感器、电流传感器和标准电能表构成；
The measurement system comprises a voltage sensor, a current sensor and a standard electric energy meter.
所述测量系统由电压传感器、电流传感器和标准电能表构成；
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