The system is calibrated using the standard meter method. The experimental result shows the precision of the prototype is 0.5%.
使用标准表法对系统进行了实流校验，初步实验结果表明样机精度达0.5%。
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。
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