In some cases a discussion of the Exploration Factor of the project or some of its components can substantially improve the understanding of the team and therefore make estimating more accurate.

有时候，讨论一下项目的探索因子或其中一些构成能大大提高团队对项目的理解，并由此让估算更准确。

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Based on this kind of crack element, and by introducing parametric equation of ellipse, a new method for estimating stress intensity factor is proposed.

基于这种裂纹单元，作者引入椭圆参数方程，推出一种计算裂纹前缘点应力强度因子的新方法。

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A new method of estimating concrete strength representative value by means of a confidence lower limit is presented in this paper, and one-side tolerance factor expression is given.

提出了用置信下限作为混凝土检验批强度标志值的估计量的新方法，给出了单侧容限系数的表达式。

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