查询词典 piece rate

According to the grinding force experience formula, The results which are affected by speed of grinding wheel, feed rate and working piece speed are received.

通过验证，所提出的公式的平均相对误差在2%以内，对生产实践具有一定借鉴和指导作用。

Remove an additional length at a steady rate cut a piece about 75 mmnbspnbsp(3 in.) long.

按均匀的速度拉出一段胶带，除去最前面的一段，然后剪下长约75mm胶带。

Mark piece the qualified rate with average product finished product reach to 98% and pass to increase 0.2% annually

公司现已成为云南标准件生产最大企业，在西南三省同行业中属前三强企业。

With the point near the corner and the point on any edge of the corner, a piece of quartic spline curve was constructed to approximately calculate the geometrical parameter of the constructed quintic spline curve, An example of reconstructing a corner was given, and the reconstructed curve was interpolated, after which the feed rate, acceleration and jerk were analyzed respectively.

利用拐角附近点及其一条邻边上的点构建一条四次样条曲线近似计算构建的五次样条曲线几何参数。

The main research content is: Using the experimental of cutting force and roughness of high speed face milling cutter and high speed end milling cutter mill aluminium alloy and cast iron, analyze the rules of the high speed milling velocity, feed rate per tooth, milling depth and milling width to high speed processing. Use multiple linear regression method, set up surface roughness and the cutting force fluctuation models. Certify the regression model notability, and provide a reliable guarantee for the accuracy of function optimization. Based on the targets of productivity, manufacturing cost, surface roughness, cutting force fluctuation optimization model, according to research of the high speed milling parameters selecting restrict of work piece, machine, tool and safety, set up high speed milling parameters multi-object optimization system.

本文以已有的高速铣削机理及高速刀具技术研究成果为基础，结合高速铣削试验，进行了基于遗传算法的高速铣削参数优化研究与系统开发，主要的研究内容为：通过高速面铣刀和高速立铣刀加工铝合金和铸铁等材料的切削力和表面粗糙度试验，进行了铣削速度、每齿进给量、铣削深度和铣削宽度对高速铣削加工过程影响的研究；采用多元线形回归的方法，建立了切削力及其振幅和表面粗糙度模型，并对模型的显著性进行验证，为高速铣削参数优化模型的建立奠定了基础。

Since 1990, the teen pregnancy rate has dropped by 28 percent, an unadulterated piece of good news.

从1990年以来，十来岁的青少年怀孕率降至28%，真是个好消息。

Meanwhile the other major antipodean piece of news was Australia's Unemployment Rate which shrank to 5.7% in November – down from last month's 5.8% reading and 0.2% lower than analyst forecasts.

与此同时，另一重大新闻事件是澳大利亚11月的失业率已经萎缩至5.7%，前值是5.8%，预期值是5.9%。

In addition, I did basic experiment including seeking the equivalent dose with the single piece to do a few samples; demarcated the eradiate system of laboratory and proceeded the system mark settles, computing the Dose Rate of source.

此外，对释光测年做了大量基础实验工作，做了单片剂量法求取样品的等效剂量，并计算了几个相应的年龄数据；对实验室的辐照系统进行了系统标定，计算出了实验室辐照源的辐照剂量率。

After presurgical orthodontic treatment, most of the patients could be treated by one piece surgery, which could simplify the surgical procedure and reduce the relapse rate of surgery.

我国学者也是在70年代初，开始采用正颌外科与口腔正畸联合的方法矫治下颌前突畸形［3］。

The participants are interviewed one-to-one and the result shows that when students are conjecturing geometry, different ways of initial observational behaviors for picture cards appear, and that the behavior of collecting data is related to the whole amount and the correct rate of conjectures. Most of the students adopt the method of only observing one piece of diagram during the initial period of observation and are able to attain more correct and bigger amount of conjectures.

结果显示学生在进行几何臆测，对於图卡的初期观察行为会呈现不同的方式，而且该资料收集行为与学生能产生的全部臆测命题数和臆测命题正确率相关，多数的学生在初期观察时，采用仅观察一张图例的方式，而且可以获得更多且更正确的臆测命题。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。