Reasons of disappearance of pingpong slice;
对乒乓球削球打法濒临消失原因的分析
This article rested on thegeological condition of the Shandong Mine,used Ansys software to carry on computation of snick shaft bottom,proposed for the concept of optimally central angle firstly,obtained optimally stress of shaft bottom structure.
依据山东万福矿井的地质条件,采用Ansys软件进行削球式井壁底模型计算,提出了最佳圆心角的概念,得出了最佳受力形式削球式井壁底结构。
The Developmental Trend of the Method of Chop From 47th World Table Tennis Championship (WTTC);
从第47届世乒赛看削球打法的发展趋势
Studying the chopping skills of outstanding players at home and abroad,this article studies not only improve ment of chopping skills co-operation with tactics but also the improvement of the chopping skills.
通过对国内外一些名将的削球技术与战术配合的发展,阐述了提高削球技术与战术配合的训练的方法,为加强专业队的训练水平,提高技能提供了方法。
The result shows that the integration of orthogonal experiment,ANN and previous artificial experience for sphere grinding greatly increases the technological design efficiency and improves the surface quality.
结果表明:结合正交试验,神经网络和先期人工经验进行球面磨削工艺参数优化可以缩短参数优化时间,提高工艺设计效率,改善表面加工质量。
A chip shot.
切削球切削击球，近穴击球
Players can now curve, shank and slice the ball depending on the situation.
球员现在能根据情况扭球，转球，削球。
To cut or slice(a ball)with an underarm stroke, as in tennis.
削球，切球在网球中用下旋手法击（球）
I heard that Ding Song was a chopper,an excellent chopper.
我听说丁松是位削球手，很厉害的削球手。
A cut or slice made with an underarm motion.
切球，削球下投动作所造成的一切或一削
A stroke that causes a ball to spin in a reverse direction.
削球使球向相反方向旋转的一击
cuts do not bother a good tennis player.
削球不会困扰一个好的网球选手。
To strike(a ball)so that it spins in a reverse direction.
削球击（球）使其向反方向旋转
The Effect of New Size Tobet-tennis Ball on Undercut and the Countermeasure;
论40mm乒乓球对削球的影响与对策
Basic shots include the backhand and forehand chops, the backhand and forehand drives, the backspin chop, the block shot, the drop shot, the smash, the cross shot and the half volley.
基本打法包括:反手和正手削球，反手和正手抽球，削下旋球，推挡，吊球，扣杀，斜线球和快拨。
he sliced his drive out of bounds.
他打了一个削球并打出场地。
Comparison and Analysis of Chopping and Attacking Techniques Used by World Top-level Table-tennis Chopping Players;
削球手在比赛中技术使用的比较分析
To make a chip shot in golf.
在高尔夫球中切削击球
A short, downward stroke.
削切击球一记短促向下的击球
play a chip shot, in golf.
高尔夫球运动中切削击球。
Study on the Cutting Force Modeling and Machined Surface Topography Simulation in Ball-end Milling Process;
球头铣削切削力建模与加工表面形貌仿真研究
Experimental study on cutting force during high-speed ball-end milling of al alloy
球头刀高速铣削铝合金切削力的试验研究
For heavy-pressure. form, plunge grinding, snagging of such materials as stainless steel ductile cast iron etc.
适于重磨削、型磨削、入磨削及钢材荒磨，可用于不锈钢和特种球墨铸铁磨削加工。