查询词典 roughness

Kerf roughness and quality control of laser precision cutting［J］.

激光精密切割不锈刚模板割缝质量控制［J］。

The results showed that with the increasing of repetition frequencies, power density, and pulse width of laser beam and with the decreasing of scanning speed, the kerf quality could be improved. Besides, a formula of estimating the kerf surface roughness was also presented, which can explain the experiment results well.

在加工电子行业中表面组装用的模板时，一般采用化学刻蚀法，其缺点是加工精度低、工序多、周期长，特别是受刻蚀因子的限制，模板的最小缝隙宽度不能低于模板厚度的 1 2 ，因而难以满足日益发展的微电子技术对电子线路制作精度的要求。

For example, machining centers and flexible manufacturing technology, break through the many varieties of case processing technology difficulties; spiral bevel gear machining technology to solve high-speed sewing machine driving accuracy and functioning of the key issues of noise; holes line grinding processing technology to meet the needs a key-hole parts precision and roughness of the basic requirements; sphere processing technology, adapted to the high-speed packet transmission machine components both inside and outside the spherical exercise the continuous improvement of machining accuracy; precision casting process technology and advanced heat treatment technology for the development of industrial machine effective support.

例如，加工中心及柔性制造技术，通过对案件的处理技术困难，许多品种突破；螺旋锥齿轮加工技术来解决高速缝纫机发球准确率和噪音的关键问题发挥作用；孔磨削加工技术路线的满足需求的关键孔零件的精度和粗糙度的基本要求；领域的加工技术，适应高速数据包传输内外球面行使加工精度的不断提高机械零件，精密铸造工艺技术和先进的热为工业机器处理技术发展的有效支持。

Mainly described the relation between diamond cutter on the knifepoint radius, arc cutting edge blunt round radius, feed rate and surface roughness.

对金刚石刀具的刀尖圆弧半径、圆弧切削刃钝圆半径、进给量与表面粗糙度之间的关系进行描述。

It is suggested that processes of fine lathing and grinding should be adopted to decrease surface roughness ...

认为采用磨削等精加工工艺来降低表面粗糙度，减少表面尤其是圆角过渡处的加工缺陷，酸洗后及时脱氢等工艺措施，就能避免类似的断裂再次发生。

In the folk world, the extreme admiration for the primitive vitality has endowed people\'s behavior with such characteristics as roughness and lechery, to the effect that "sex" has taken a pivotal position in the folk culture.

在民间世界中，对原始生命力的极度张扬使得人们的行为方式体现出一种粗放、纵欲的特色，从而使得"性"在民间文化中占据了举足轻重的位置。

It indicates that emphasis should be put on the following subjects in the future: the determination of field infiltration coefficient and roughness coefficient;the optimal combination of field standard and irrigation technical index ,and the rational ground levelness degree and mode.

对近10多年来地面灌溉水流运动数值模拟方面的国内外研究进展进行了归类整理，并就目前研究中存在的不足和未来急待深入研究的问题进行了探讨，认为在今后的研究中应把地面灌溉入渗参数和糙率的确定问题，不同地区和作物条件下合理的田块尺寸与灌水要素的优化组合研究及经济合理的田间土地平整度及平地模式的研究，长畦分段灌、阶式水平畦灌、覆膜灌溉条件下的水流运动和合理灌水技术指标的研究，浑水灌溉和土壤气阻对地面灌溉水流运动的影响机理研究等作为重点内容。

After researching on open channel roughness coefficient, the authors conclude that coefficients n and k have a good relationship and fit out of n-k logarithmic equation. But smooth and rough open channel with different n-k equation, needing further study.

对明渠糙率系数的研究，得出结论：明渠糙率系数与系数k有良好的对数关系并拟合出n-k的对数方程，但是光滑床面和粗糙床面有不同的n-k方程，有待进一步研究。

The poems were full of sexual discourse and showed their lowness and roughness.

其作品又多性话语泛滥，流于粗鄙和俗陋。

The judgement of the results of electropolishing lies in the changes of the surface qualities, mainly weighted through two quantitative parameters: surface roughness and lustrousness, which are inconsistent in many cases and thus makes it hard to judge which one has a better surface.

判断电化学抛光效果的好坏一般以表面质量的变化为依据，主要是通过两个定量指标，即表面粗糙度和表面光泽度来衡量，但两个指标往往会出现不一致的趋势，给最终表面质量的评判带来了一定的难度。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。