An analysis is given to the effect of centering error of the mechanical mounting of the master ball in a digital measurement upon the radial motion polar plot of an axis of rotation.

本文主要分析采用数字式测量时，标准测试球的安装偏心对回转轴径向误差运动圆图象的影响。

youdao

The basic skills area is a large facility with ample room for your players to master pitchers 'fielding, infield ball handling, outfield communication, catching, and team defense (see figure 12. 1).

基本技能训练区，如12.1所示，是一个较大的训练空间，可以进行投球守备，内野球处理，外野交流，捕球和球队防守训练。

youdao

This requires athletes to be correct, skilled volleyball serve to master, mat ball, pass the basic skills, etc., can play a technical and tactical level the side.

这就要求运动员必须正确、熟练的掌握排球发球、垫球、传球等各项基本技术，才能发挥出本方的技战术水平。

youdao

The Little Master almost always hits the ball with little effort with a classic straight bat.

BBC: Introduction

On his follow through, he looks more like a power-hitter muscling a drive into the right-centerfield gap than a master ball-striker like Vijay Singh.

WSJ: Peter Uihlein's Masters Debut Raises Questions About Golf's Talent Pipeline