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track-ball meaning in English

【计算机】跟踪球〔可用以操纵电脑显示屏上光标移动的位置,该球装在盒内,可用手自由转动〕。

Related Words

  1. track-and-hold amplifier
  2. track-at-once
  3. track-ball pointer
  4. track-center distance
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