In a four-electrode system, changing the electric field ration only slightly changes the ion beam current at a certain beam energy.
在四电极系统中在一定束能量下改变电场强度比仅轻微地改变束电流。
A solution for impedance measurement with four-electrode is designed here according to the requirements of liquid impedance measurement.
根据液体阻抗测量需要，提出了可用于四电极的测量方案。
An impedance spectroscopy measurement system for conductive aqueous solution at medium to low frequencies is designed using the four-electrode measurement theory.
介绍一套基于四电极测量原理的中低频液体阻抗测量系统，采用四电极的测量探头用于电导性液体中低频阻抗谱的测量。
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