Not only does the distance traveled in unit time remain the same but the direction does not change as well.

不仅单位时间内移动的距离不变，而且其方向也不改变。

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Then, the interrupt of the single chip timer had been used to time precisely, and the Hall pulse number had been counted in unit time.

采用霍尔传感器采集液压泵旋转产生的脉冲，结合单片机定时器的中断来精确计时，并对单位时间内的霍尔脉冲数进行统计。

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As a result, Kuhuang Injection can vastly promote bile secretion of anesthetic rat and markedly increase bilirubin content in bile in unit time.

实验结果，苦黄注射液能显著促进麻醉大鼠的胆汁分泌，并能明显增加单位时间内胆汁中胆红素的含量。

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He says the war-time unit helped break down racial barriers in the United States.

VOA: standard.2009.12.30

The unit for time will be a second, and time will be measured in seconds.

时间的单位是"秒",时间都是按秒来计的

耶鲁公开课 - 基础物理课程节选

Mr. Daniels joined the police department in 2007 and was assigned to a housing unit in Brooklyn at the time of his arrest, police said.

WSJ: Police Officer Arrested

They listen especially when he talks about why it's crucial to soldiers' mental health to keep them together in the same unit over time, so they truly come to know and rely upon each other.

NPR: Psychiatrist Who Counsels Vets Wins Genius Grant

Time Warner posted strong fourth quarter earnings on Wednesday as the company capitalized on the continued success of Harry Potter and the Deathly Hallows Part 1, growth in networks stemming from advertising and subscription growth in HBO and TVS, and improved productivity in its publishing unit, Time Inc.

FORBES: Time Warner Beats Expectations, Hikes Dividend, Pledges $5BN To Buyback Shares