【track_ball】什么意思_英语track_ball的翻译_音标_读音_用法_例句_在线翻译

Place mouse or track ball next to keyboard.

将鼠标器或跟踪球放在键盘旁。

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Input devices include keyboards and pointing devices such as mouse, joystick, track ball, or light pen.

输入设备包括键盘和点击设备如鼠标，操纵杆，跟踪球或光笔。

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更多双语例句

It again uses cameras to track the ball and computers to calculate its position.

CNN: Does football need technology?
The Storm posed a special challenge for RIM because the company's operating system had always been tailored to a keyboard and click-wheel or track-ball for navigation, rather than a touch screen.

WSJ: BlackBerry Storm Is Off To Bit of a Bumpy Start
"It was going to be difficult chasing 200 plus on a track where the ball is going up and down, " said Tendulkar, who was named man of the match and man of the series for scoring 403 runs at an average of 134.5.

BBC: India storm to victory over Australia to win series 2-0

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- 来自原声例句

track ball
美 [træk bɔːl]