Society needed a more dependable instrument of time measurement and found it in the mechanical clock.

社会需要一种更可靠的时间测量仪器，它就是机械钟。

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Indeed, the very notion of productivity is a by-product of the clock: once one can relate performance to uniform time units, work is never the same.

事实上，生产力的概念本身就是时钟的副产品：一旦工作表现与统一的时间单位可以联系起来，工作就永远都不一样了。

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It shows construction workers buzzing around like gnats while a clock in the corner of the screen marks the time.

画面中，建筑工人像蚊子一样到处吵吵嚷嚷，而屏幕角落里的时钟则在标记时间。

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Now, the clock says I've run out of time.

哦,我们的时间不多了

耶鲁公开课 - 美国内战与重建课程节选

It's usually shown like a clock is shown here, where time 0, which is at the top here is right at the end of mitosis where you have two new cells that are formed.

通常会用一个类似时钟的图来图示,0时刻,在最上端 为上次有丝分裂终点,代表两个新细胞刚刚形成

耶鲁公开课 - 生物医学工程探索课程节选

First of all, negative time should not bother anybody; t=0 is when I set the clock, I measured time forward, but yesterday would be t = -1 day, right?

首先,负的时间对我们不存在任何干扰,t=0使我们设定的初始时间,我是用顺序计时,所以昨天就可以记为-1天,对吗

耶鲁公开课 - 基础物理课程节选

The Jets' (8-8) defense was stout through three quarters, but couldn't get off the field during a 21-play, 94-yard Miami drive in the fourth, when the Dolphins (6-10) ate more than 12 minutes of clock time and finished with a touchdown to take a 13-10 lead.

WSJ: Miami Loss Grounds Jets for January

This kind of urgency carries over to fiction, where a ticking clock a sense of time running out can make the pages seem to snap by with the speed of a second hand.

WSJ: Word Craft: Benjamin Percy, Author of Red Moon, on the Ticking Clock

The little creature's also got four additional touch sensors, a temperature sensor, a gravity sensor and an internal clock to tell the time of day, improved motors, and basic voice recognition -- and the Hong Kong packaging suggests the dinos will even come in two different sexes.

ENGADGET: Pleo Reborn detailed by Innvo CEO, one lucky fan finds and buys the tiny dino (video)