The master ball的意思|示意

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。

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。

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。

In future article I will continue this series by looking at each ball control and providing drills to help you master the PAS Principles and make you the most effective player you can be.

在接下来的文章里，我将继续提供更多的训练方法使你能够掌握PAS要素，使你的击球更加有效。

Li Jia Wei is being hand-rubber ball attack is very low quality, together with the height advantage and superior speed ahead, all she can to master a lot of trouble to create.

李佳薇正手位正胶的低球突击非常有质量，加上身高优势和出众的摆速，她能够给所有高手制造不少麻烦。