And, these coefficients here correspond to a vector parallel to the line.

这些系数构成的向量和直线平行。

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If you're drawing a grid (of thumbnails, for instance), draw all parallel lines first as a series of long dashes to help keep line lengths and angles consistent.

如果你要画一个网格(例如缩略图)先画出所有的平行线作为一连串的长线来保持线的长度和角度都一致。

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Stand side-on to a bench with your closest hand and knee on the bench, back parallel to the floor (neck in line) and a dumbbell in your other hand, arm hanging straight down.

侧立于练习凳一侧，靠凳一侧的手与膝支撑于凳。背部与地面平行(与颈部成一条直线)，另一侧手手持哑铃，手臂垂直悬于体侧。

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Chart Analysis : The chart of the PowerShares QQQ Trust ( QQQ) came very close to the upper parallel trend line (line a) on Wednesday.

FORBES: Apple Reverses, Stocks Top Out