查询词典 unit ball

His head and eyes follow the upward track of an imaginary ball.

例如，消失的球体，魔术师开始将球垂直扔到地上，并不停的扔了接，接了扔，然后，在最后一扔时，他只是假装扔球，他的头和眼睛跟随向上的方向，看似真的有球在跳跃一样。

Software Description: About RetroSphere, The object of the game is to guide your ball down the track to the finish line.

RetroSphere 该游戏的目标是引导你的球沿着轨迹降落到终点线。

Maybe some of your students will just use their eyes to track the ball when you mention to watch contact, but I know most Americans will track it with their neck and this is why I am extremely careful not to even bring it up.

也许你的一些学生会只用眼睛去跟球，但是我知道大多数美国人会去转脖子，这是我为什么很小心的不去提什么盯球到球触板的问题。

My assumption is that, while his back is turned, the defenseseems to be able to track the ball and make a swipe at it before hegets his bearing and sees them going for it.

我是这么想的，当他的背转过来时，防守者很容易跟着那个球，在他完成动作感觉要得分之前，把球拨掉。

The results reveal that the performance of the glove mouse with virtual tracking ball is almost as twice the performance of the touch pad or track point.

此结果显示本研究之虚拟追踪球手套滑鼠对於行动装置的需求上，具有相当程度之适用性以及发展性。

A trackball, rotating the ball allows you to move the cursor.

一个跟踪球，旋转球让你把光标。

Major producers ball mouse, trackball and rubber components.

主要生产鼠标球、轨迹球及橡胶类元件。

ANDY RODDICK: There's guys who are consistent, but then there's guys who are consistent when running across the court as fast as they shot tracking down a ball that you've hit as hard as you can, putting it back in play in an effective position.

ANDY：有些人是一贯这样的，但是还有些人总是在赛场上尽量快地跑动以回击你大力打出的球，使他们回到有效的位置。

I get a calendar in the shape of a ball from a trade magazine every year.

我每年都会收到由贸易杂志社寄来的一张以球的形状做成的挂历。

Apply multi-ball training method to the table tennis teaching of advaced normal college.

多球训练法是指球类运动项目中一种利用多球进行技战术训练的方法[1]。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。