回归分析表明，两种离子的概率单位与浓度对数之间存在着极显著的正相关。

The regression analysis showed that there was significantly positive correlation between probit and logarithm of concentrations.

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目前已经出现了四种主要的外汇危机预警模型，即信号方法、概率单位方法、截面回归方法以及主观概率法。

There has been four kinds of main early warning models of exchange crisis at present, namely "signal" approach, probit model, cross-county regression model and subjective probability method.

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从客户价值的定义和划分入手，详细讨论了客户的潜在价值，建立了一个预测客户潜在价值的多变量概率单位模型；

This article first gives the definition and categorization of customer value, discusses customer potential value, and constructs a multivariate profit model for predicting customer potential value.

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So the probability of having an electron at the nucleus in terms of probability per volume is very, very high.

在单位体积内发现,一个电子的概率非常非常大。

麻省理工公开课 - 化学原理课程节选