"A dispatcher's job is counted in seconds," says Liang Ruimei, a dispatcher in the center.
“调度员的工作是以秒为单位计算的。”中心的调度员梁瑞梅说。
So the point on the edge must rotate much faster to cover that 50 in. in 1.8 seconds than the point near the center, which has to cover less than a fifth of the distance in the same time.
因此，边缘上的点每1.8秒必须比中心的点多转50英寸，使它不得不在同样的时间里覆盖不到五分之一的距离。
The company’s factories churn out two personal computers a second, two printers a second and one data-center computer every 15 seconds.
惠普的工厂每秒钟能制造出两台个人电脑、两台打印机，每15秒钟就能造好一台数据中心。
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