Flatness error was obtained by minimum zone law which decided by triangle rule and cross rule.

用最小包容区域法求平面度误差。最小包容区域判别准则有三角形准则和交叉准则。

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This paper proposes a novel and fast method to efficiently evaluate the flatness tolerance based on traditional minimum zone method.

在直线度、平面度公差判定的最小包容区域法中提出一个新的、快速的实施方法。

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According to minimum zone condition, mathematical model of spatial straightness together with the optimal objective function is set up.

根据最小区域条件，建立了空间直线的数学模型以及优化目标函数。

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Lessons have been learnt, including that a minimum safety buffer zone of 1, 640ft (500m) is established before firing smoke rounds.

BBC: Sapper Mark Smith death: Coroner calls for inquiry

At a minimum there must be a euro-zone-wide system of deposit insurance and oversight, with collective resources for the recapitalisation of endangered institutions and regional rules for the resolution of truly failed banks.

ECONOMIST: The future of the European Union

But Army General Tommy R Franks, who heads the US Central Command and enforces the southern no-fly zone, recommended reducing the number of patrols but maintaining a minimum number to check possible movements of Iraqi troops towards the Saudi and Kuwaiti borders.

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