I found it convenient to use a right Angle reducing fitting, followed by a gray threaded pipe, and a gray hose barb that threads onto the gray pipe.

我发现它方便使用直角减少拟合，其次是一个灰色螺纹管，和一个灰色软管烧烤认为线程上的灰色管道。

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"Dare to be different, please don't smoke!" pleads one billboard campaign aimed at reducing smoking among teenagers—teenagers, who desire nothing more than fitting in.

“敢于不同，请勿吸烟！”这是一个旨在减少青少年吸烟的广告牌的标语，因为青少年最渴望融入他人。

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The author proposes a sectional line fitting to re - place the polynomial curve fitting, which results in simplifying establishment of mathematical model and reducing the amount of calculation work.

作者在最小二乘法的基础上，提出分段直线拟合算法来代替多项式曲线拟合，从而达到简化数学模型的建立和减少计算量的目的。

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