查询词典 ball

A: as the movement of the ball was not related to the probing for the ball, the player incurs a penalty stroke under rule 18-2a for moving his ball in play.

答：因为球的移动与找球无关，所以按照规则18-2a的规定，他移动了比赛中的球得被罚一杆。

Tapered roller bearings, Deep groove ball bearings, Angular contact ball bearings, Self-aligning ball bearings, Thrust bearings, Spherical roller bearings,Single row cylindrical bearings, Pillow block bearings etc.

圆锥滚子轴承、深沟球轴承、角接触球轴承、调心球轴承、推力轴承、调心滚子轴承、单列圆柱滚子轴承、外球面轴承等。

The main products include deep groove ball bearing, variation core roller bearing, cylinder roller bearing, british system bearing, variation core ball bearing, double row deep groove ball bearing, pillow block bearing, corner touch bearing, trust roller bearing, tapered roller bearing, and spherical roller bearing.

主营产品包括：深沟球轴承、调心滚珠轴承、圆柱滚珠轴承、英制轴承、调心球轴承、双列深沟球轴承、座架、角接触轴承、推力球轴承、圆锥滚子轴承和球面滚珠轴承。

To resolve the low efficiency and high energy consume problems of traditional ball mill in the preparation of micrometer and nanometer sheet metal powder ,new type ball mill was designed by combining the crushing theory and structure of traditional ball mill and mix mill.

为了解决目前普通球磨机在制备微纳米片状金属粉时存在的粉碎效率不高、能耗高等问题，结合球磨机和搅拌磨的粉碎原理和结构，设计并研制了一种内部搅拌轴和外部筒体反向旋转的球磨机。

In order to realize the transition from quartic Wang-Ball to Said-Ball curve, and the transition from quartic Said-Ball to B6zier curve, two new classes of curves with shape parameters are defined.

为了实现从四次Wang-Ball到Said-Ball曲线的过渡，以及从四次Said-Ball到B6zier曲线的过渡，定义了2种带形状参数的曲线。

The first class of curve contains the quartic Wang-Ball and Said-Ball curve and many curves locating between them. The second class of curve contains the quartic Said-Ball and Bézier curve and many curves locating between them. By analyzing the relation between the new curves and the quartic B6zier curve, the geometric meaning of the shape parameters is obtained, and the geometrical drawing method of the new curves is given.

第一种曲线包含了四次Wang-Ball和Said-Ball曲线以及介于它们之间的无数曲线；第二种曲线包含了四次Said-Ball和Bézier曲线以及介于它们之闻的无数曲线；通过分析新曲线与四次Bézier曲线之问的关系，得出了形状参数的几何意义，并给出了它们的几何作图法。

A trackball is a pointing device consisting of a ball housed in a socket containing sensors to detect rotation of the ball about two axes, similar to an upside-down mouse: as the user rolls the ball with a thumb, fingers, or palm the mouse cursor on the screen will also move.

阿轨迹球是一个定点设备组成的一个球在一个插座载传感器检测旋转球约两轴，类似于一个倒置鼠标：作为用户辊球拇指，手指或手掌鼠标光标在屏幕上也将动议。

Possession: This happens when a player is carrying the ball or a team has the ball in its control; for example, the ball in one half of a scrum or ruck is in that team's possession.

占球、控球：这发生在当球员持拿着球或球是在一球队的控制中；例如球是在某队的scrum或ruck的一半内时，该球是在该队占球或控球中。

First of all, the improving feeding helix can not only get material into the ball mill successfully, but also increase ventilated proportion; Secondly ,making use of all sorts of new scaleboards can reform the working condition of skive substance and raise the material adaptability; Third, separating storehouse board, have not only increased control material to flow, and balanced each storehouse smash the function of ability, but also realize thickness pellet grade role; Grind tail storehouse choose hyperboloid drum liner, in axial and circumference direction have incline curved surface, can not only increase steel ball lateral grade , but also still raise steel forge , steel ball grind efficiency.

进料口螺旋的改进，不仅解决了堵料现象，而且加大了通风面积；各种新型衬板的使用，对研磨体运动状态的调节以及对物料的适应性都有了较大的改善；隔仓板不仅增加了控制料流及平衡各仓粉碎能力的功能，而且可以实现粗细颗粒的分级作用；磨机尾仓选用双曲面衬板，在轴向和圆周方向均有倾斜曲面，不仅能够增加钢球的横向分级，还能提高钢锻、钢球的研磨效率。

Roll functional part product includes: Ball guide screw deputy, scroll is linear slideway is guide-post bushing of spline of deputy, ball, ball, linear workbench of ......

滚动功能部件产品包括：滚珠丝杠副、滚动直线导轨副、滚珠花键、滚珠导套、直线运动部件、坐标工作。。。。。。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。