At this basis, this article analyses the emergence inevitability of changing price accounting, then introduces the main four changing price accounting models.

在此基础上，分析了物价变动会计产生的必然性、剖析和评价了主要的四种物价变动会计模式。

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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.

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。

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In addition to trimming its main brands from eight to four by 2012, GM also plans to cut the number of individual U. S. models to 36 from 48.

按照通用汽车的计划，除了到2012年将主力汽车品牌由8个减少至4个外，还要将在美国投放的车型由48个压缩到36个。

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