然而，经过的周期看一个数字显示，增加左灰色斑点计数，对我来说等于它们出现在40：20左右。

However, after looking at the display for a number of cycles, and increasing the left grey blob count, for me they appear equal at around 40:20.

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目标是对斑点进行计数并测量。

The goal is to count, and measure the spots.

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然而，脉冲计数的准确性受到很多因素的影响，分析认为主要是由外界电磁干扰和多斑点的产生引起计数的不准确。

But, the accuracy of the count is affected by many factors, mainly by the interference of the external electromagnetic waves and the generation of the multi cathode spots.

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