GM (1, 1) model of Grey System Theory is used in prediction realm.

在预测领域，灰色系统理论使用的是GM(1,1)模型。

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All parameters in the basic solution form of GM (1, 1) can be determined with this method.

本文提出了确定GM(1,1)模型基本解有关待定参数的一种新方法——图解法。

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Estimation of GM (1, 1) model parameter usually adopts the least square criterion, but test of model precision often USES average relative error criterion.

估计GM(1,1)模型中的参数通常采用最小二乘准则，而在模型精度检验时又常采用平均相对误差。

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The EV-1 was on the market in the 1990s, but GM discontinued it because of impracticality.

VOA: standard.2010.07.30

An EU ruling says foods labelled non-GM can contain up to 1% of GM ingredients.

BBC: GM crops 'may contaminate others'

Some of GM's 1, 100 engineers now working on car interiors will move to desks at suppliers' offices.

FORBES: Ghost cars, ghost brands

Government spokesman Ulrich Wilhelm said Berlin regretted the decision, adding that it wanted GM to repay 1.5bn euros in bridge financing extended by German banks.

BBC: General Motors cancels Opel sale