During the past generation, the American middle-class family that once could count on hard work and fair play to keep itself financially secure has been transformed by economic risk and new realities.

在过去的几十年里，美国的中产阶级家庭曾经依靠努力工作和公平竞争来保证自己的财务安全，但现在的经济风险和新出现的情况已经改变了这种状况。

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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.

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。

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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.

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。

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