Used as a step stone, for example, the surface should be flat and rough, this kind of stone is convenient to walk, is not easy to damp.
例如，用作阶梯的石头其表面要平且粗糙，这种石头方便走路，潮湿的时候也不容易滑到。
The surface of the syringe must be clear and pure; rough edge, burr, plastic stream, defect are not allowed.
注射器表面必须清洁无杂质，不得有毛边、毛刺、塑流、缺损等缺陷。
Centrifugal glass cotton can sound-absorbing reason not because the surface is rough, but because of the internal and external connected with tiny pore and holes.
离心玻璃棉能够吸声的原因不是由于表面粗糙，而是因为具有大量的内外连通的微小孔隙和孔洞。
This method not only ADAPTS to predicting the whole fractal dimension of rough surface, but also ADAPTS to estimating local fractal dimension.
这种方法比较简单而切实可行，不但适合于粗糙面整体分维的计算，更适合于局部分数维的计算。
By means of chemical composition analysis, mechanical property test and microstructure examination, the results showed that this defect was result of rough surface and not the crack existed in matrix.
采用化学分析、力学性能试验和金相检验等方法对该裂纹进行了分析。结果表明，此缺陷是由于试验环原始表面的粗糙度过大造成的。
For the multiple scattering theory, the total scattered power from a random rough surface is contributed to, not only by single scattered waves, but also by those multiple scattered waves.
在多次散射理论中，随机粗糙面的总散射功率不仅与单次散射波有关，而且还取决于多次散射波。
The historical conception "the surface of a smooth roll is rough and not glossy" was introduced.
阐述了制粉工业历史上形成的“光辊表面是粗糙的无泽面”概念；
The counterfeit products not only the font will be very vague, and because of printing technology, rough, Stamping font is floating on the surface, and some even can be easily wiped off by hand.
而仿冒的产品的字体不但会很模糊，而且由于印字技术粗糙，钢印的字体是浮于表面的，有的甚至轻易地就可以用手抹去。
SEM analysis shows that there are lots of fine cracks on the rough sample, but oxides are not detected, while the surface of the polished samples is integrity after heat processing.
SEM分析表明，粗糙表面镀金膜的试样在热处理后，表面薄膜产生了细小的裂痕，但在表面没有探测到氧化物。
SEM analysis shows that there are lots of fine cracks on the rough sample, but oxides are not detected, while the surface of the polished samples is integrity after heat processing.
SEM分析表明，粗糙表面镀金膜的试样在热处理后，表面薄膜产生了细小的裂痕，但在表面没有探测到氧化物。
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