A new method of least square is raised in curve fitting of flood frequency calculating and its specific properties are analysed.

提出了在洪水频率计算时适线法中最小二乘方的一种新的求解方法，并对其特性进行分析。

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The point of intersection of elastic line and plastic line moves toward the low cycle life with the hardness of the spring steel raised after tempering from the strain fatigue curve.

在应变疲劳曲线上，弹性线和塑性线的交点随弹簧钢回火后硬度的升高而向低循环寿命移动；

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Making use of the viscosity-dilution curve, the technological operation may be simplified and the production efficiency can be raised.

利用该曲线可简化工艺操作和提高生产效率。

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The global curve has been raised.

FORBES: America's Peril and Recovery

In his book, Mr Sen raised the theoretical possibility that a pastoralist's supply curve might actually bend back on itself: as the relative price of livestock falls, a hungry pastoralist might supply more animals to the market, not fewer as elementary economic principles would imply.

ECONOMIST: Economics focus