Rough surface is easy to generate V shape of stress concentration, which reduce fracture strength.

粗糙表面的晶粒间易产生V形口，导致应力集中，降低了膜的断裂强度。

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With CO_2 concentration increased, negative effects on corn seed rough protein, rough fiber and contents of total carbohydrate were observed but the starch of corn was positively effected.

2浓度增加，对玉米籽粒粗蛋白、粗纤维和总糖含量的影响呈负效应，对淀粉的影响呈正效应。

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And when I say equal play, I mean very equal: By my rough tally, the ownership-concentration issue takes up about 192 words out of a 923-word story, while the political-reprisal discussion gets 182.

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