Smoothness: Evenness of paper surface.

平滑度：纸张表面的均匀程度。

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A new two-stage method for detection and segmentation on paper surface defects is proposed.

提出了纸张表面纸病检测与分割的二阶段新方法。

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This research studied the reading effect between two different carriers — paper surface and computer screen.

笔者在此背景下进行选题，对两种呈现载体的阅读效果进行了研究。

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Some RFID-enabled paper is already on the market but the chips are much thicker, resulting in either bulky paper or a bump on the surface that would mean such paper could not be printed.

BBC: US engineers develop smart RFID-enabled paper

After some doodling in Photoshop we found the same surface that was too rubbery for our fingers to be slightly too slippery for the stylus, lacking the advertised "paper-like tablet surface" as found on the original Bamboo.

ENGADGET: Wacom Bamboo Pen & Touch review Hands-on

Next, make lines and curves and dots and dashes on the surface of your choosing: paper, canvas, sandy beach, dirt floor of rustic cabin or the skin of exceptionally trusting loved one.

FORBES: The How-To-Do Anything Guide