The results show that the improved M type electrode method is better than the parallel electrode method for both collecting time and collecting rate.

改进M型电极法的离子引出时间和引出收集率均比平行板电极法的好。

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Therefore, the improved 'm' type electrode method is a better electrostatic method which should be adopted in practice.

因此，改进‘M’型电极法是一种可供实际采用的比较好的静电场方法。

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