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LiWei INC was founded in 1999, integrating scientific research, design, production, operating in one, professional production and sale of Rock Drilling, mining accessories, engineering tools, rock drilling tools, milling machine milling teeth, milling Machine Cutter, road Mixer Cutter, coal mine cut teeth with various types of Shearer with conical teeth, knife-shaped cross-sectional tooth, boring machine with boring tooth, shield knives, metro shield machine shield configuration tools and various types of mining bits, rock drills, anchor drills, rotary drilling engineering cut-off teeth, using rotary drilling rig Rotary Drilling teeth, tooth roadheader, Rotary Drilling teeth, bucket teeth, tooth Block, and a variety of Rock Drilling Bits, including word, cross drill head, the ball tooth drill head, drill sets, drill tail, drill rod and so on.

香港立威刀具有限公司始建于1999年，集科研、设计、生产、经营于一体，专业生产和销售凿岩钎具、矿山配件、工程工具、岩土钻掘工具、铣刨机用铣刨齿、铣刨机刀头、路拌机刀头、煤矿用截齿、各种型号的采煤机用镐形截齿、刀形截齿、掘进机用掘进齿、盾构刀具、地铁盾构机用盾构刀具及各种型号的矿用钻头、岩石钻头、锚杆钻头、工程用旋挖截齿、旋挖钻机用旋挖齿、掘进机截齿、旋挖齿、斗齿、齿座和各种凿岩钎具包括一字钎头、十字钎头、球齿钎头、钎套、钎尾、钎杆等。

In order to meet the demands of high load and high lift height of product development trend, under the precondition to minimize hoist boom weight, what kind of sectional shape shoul...

为满足产品向大起重量和高起升高度方向发展的需要，在尽可能降低起重臂重量的前提下，采用何种截面形式，才能将失稳减小到满足设计要求的最小程度，是设计者要解决的重要问题。

In order to meet the demands of high load and high lift height of product development trend, under the precondition to minimize hoist boom weight, what kind of sectional shape should be adopted to minimize the instability, is a critical problem the designer should solve.

为满足产品向大起重量和高起升高度方向发展的需要，在尽可能降低起重臂重量的前提下，采用何种截面形式，才能将失稳减小到满足设计要求的最小程度，是设计者要解决的重要问题。

C-shaped SiC fibers with different sectional curve were prepared, and electromagnetic parameters as well as microwave absorbing properties of those fibers were studied.

制备出具有不同截面弯曲程度的C形碳化硅纤维，研究了其电磁参数和吸波性能。

The difference between the calculating results of gas-oil rate considering or neglecting casing gas is compared. It is demonstrated that bigger error will be caused without considering casing gas. When the pressure at the casing shoe is lower than the babble point pressure, there is a certain proportion relation between the easing gas production and the submergence pressure as well as the easing-tubing sectional area ratio.

针对放套管气生产油井，现场测试了多口油井的套管气量，比较了考虑套管气与忽略套管气对气油比计算结果的差异，证明忽略套管气产量会给气油比计算结果带来较大偏差。

It has successfully fulfilled for the first time the taper shaped connection shaft and hub hole with protruded cross-sectional contour and a clearance free fit is obtained, on a modified MAZAK lathe by using a new type of computer-controlled turning.

本文首次在改装的MAZAK机床上，实现了带锥度成形联接副的数控车削，试验得到的成形联接轴和孔很容易安装，做到无间隙配合。

In this dissertation, based on the systematically analysis of theory and application research on deformable model, a new B-spline active contour based on the finite element method is proposed; then B-spline active contour is applied to fitting the digital curve cross-sectional contour, and adaptive FEM is adopted to improve the precision; lastly the model is generalized to 3D, and a B-spline active surface model based on FEM is proposed.

本文在系统地分析了国内外关于可变形模型理论与应用研究的基础上，提出了一种基于有限元法的B样条主动轮廓模型；并将其应用于由断层图像导出的截面轮廓数字曲线的拟合，利用自适应有限元技术提高拟合精度；最后将其推广到三维，提出了基于有限元法的B样条主动曲面模型。

Sampler is mounted onto the transition any locations of full cross sectional area of grain stream.

取样器安装在物料输送管道中，由压缩空气驱动的取样头扫过整个物流平面，可获得断面中任意位置的物料样品。

Objective:To study the main dietary structure problems in the obesity children in order to provide some scientific basis for the further study of pathogenesis of obesity. Methods:A total of 126 childen aged 6 to 12 years sampled randomly from our hospitle were enrolled. Obesity was identified based on the body mass index. A cross sectional study with the questionnaire was carried out.The influencing factors for obesity were investigated by non 2 logistic regression analysis.

目的：了解肥胖儿童膳食结构中存在的主要问题，进步研究肥胖的发病机制和防治提供科学依据方法：随机抽取来我院2007年5月至2008年10月就诊的6～12周岁儿童126名，按照体重指法判定出单纯性肥胖，将肥胖和正常儿童设为肥胖组和对照组，采用问卷法进行现况调查，调查结果采用二分类非条件logistic回归分析进行分析。

Methods:A total of 126 childen aged 6 to 12 years sampled randomly from our hospitle were enrolled. Obesity was identified based on the body mass index. A cross sectional study with the questionnaire was carried out.The influencing factors for obesity were investigated by non 2 logistic regression analysis.

随机抽取来我院2007年5月至2008年10月就诊的6～12周岁儿童126名，按照体重指数法判定出单纯性肥胖，将肥胖和正常儿童设为肥胖组和对照组，采用问卷法进行现况调查，调查结果采用二分类非条件logistic回归分析进行分析。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。