harmonic pencil of lines [数] 调和线束
pencil of parallel lines [数] 平行线束 ; 并行线束
perspective pencil of lines 透视线束
harmonic displacement pencil of lines 调和线束
pencil of central lines 中心直线束
The photo shows Hepburn posing for one of the movie's iconic publicity shots with pencil lines marking up her face, supposedly indicating where the gamine star could use a bit of smoothing.
这张照片是赫本为电影拍摄的宣传照的其中一张，我们可以看到照片上赫本的脸上有一些铅笔画过的痕迹，按道理推测那些痕迹就是需要一点“修饰”的地方了。
Whether it's your finger or a pencil, try moving this tool along the lines of the book you are reading to keep you moving forward as quickly as possible.
无论你是用你的手指，还是一支铅笔，尝试着将这个工具沿着你所在阅读的那行文字移动，而且尽可能快的向前移动。
Draw the main center lines and block in the general outline of the views with light, sharp 6h pencil lines.
用轻细的6 H铅笔线绘制主要的中心线和视图大体的轮廓框。
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