粗糙

In electroanalysis for long the S in the process produces dissolve to give reaction to conduce to the appearance that improves electrode crude rate, it is one of main reasons that increase active of electrode analyse hydrogen.

在长时间电解过程中S发生溶出反应有助于提高电极的表面粗糙程度，是提高电极析氢活性的重要原因之一。

Using elementary discernibility matrix and the significance of attributes defined,a knowledge reduction algorithm for incomplete information systems is presented.

经典粗糙集理论建立在等价关系的基础之上，通过知识约简，为从信息系统中获取有用知识提供了一种全新的方法。

Introducing a neighborhood relation to set valued information systems,we established a rough set approach based on the neighborhood of every object as elementary set.

在集值信息系统上引入对象的邻域关系，并以每个对象的邻域作为基本集，建立了集值信息系统的粗糙集方法。

But the attribution reduction is a NP problem,and it needs to be realized by knowledge of elicitation method.

引言粗糙集理论是Pawlak等学者在1982年提出的处理不确定，不精确和不完全数据的一种新的数学工具，主要用于知识的简化及知识依赖性的分析[1]。

The elver also didn't like the feed with rough texture and without viscosity.

质构粗糙，缺乏粘弹性的饲料同样不被仔鳗接受。

The present invention is one group of health foods for treating emaciation with yellowish complexion, roughness of the skin and color spot of people, especially women and old people.

本发明公开了一组数种保健食品，主要针对面黄肌瘦、缺少红润和光泽、皮肤粗糙、早生色斑者，尤其女性和中老年人士专门设计的日常食疗调养美容保健食品。

It seemed to be made of grey metal, shiny but rough, like emery paper.

它看起来像是由灰白色金属制成，有光泽但很粗糙，质感如砂纸。

The bonding strength of adhesive/metal can be affected by surface pretreatments,the effect of various surface pretreatments such as grinding with emery paper,acid etching,phosphating and blasting on the bonding strength by the shearing test are aim to ravel.

利用拉伸剪切实验系统地研究了砂纸打磨、喷砂、酸洗和磷化四种表面处理方法对粘结剂粘结强度的影响，并结合扫描电镜、表面粗糙度测试仪对金属表面形貌的研究，结合能谱测定拉剪试样破坏面的成分数据，详细分析了不同表面处理方法影响界面粘结强度的作用机理。

Process efficiency , durable degree of emery wheel in improving and reduce and all have a very good result to process the roughness of a piece of surface etc., can meet lubrication of 80m/s high-speed grinding machine , cooling demand , and well have antirusting.

对提高加工效率、砂轮耐用度和减少加工件表面粗糙度等都有很好的效果，能满足80m/s 高速磨床的润滑、冷却要求，且具有很好的防锈性。

In ELID grinding, use imperceptible emery wheel to undertake grinding can obtain very low surface surface roughness, came true to written guarantee to steel of hard alloy exceed accurate mirror grinding.

在ELID磨削中，采用微细砂轮进行磨削可以获得很低的表面粗糙度，实现了对钢结硬质合金的超精密镜面磨削。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。