一个从8米处坠落，一个从2米处坠落，时间之差是它与高，之比的平方根。
If I drop one from eight meters and I drop another one from two meters then the difference in time will be the square root of the ratio.
此时程序的“实际执行时间”，即整体执行时间与等待用户响应时间之差，才能够真实地反映用户可察觉的系统处理能力。
So the subtraction of user input time from total time, namely the "real execution time", can truly reflect the user-perceived performance.
我的健康状况如此之差，以至于他们把我放到了等待移植名单的首位，但仍需一段时间来进行配型；有人从未获得过合适的移植器官。
I was in such bad health that they put me at the top of the waiting list, but it can still take ages to find a match; some people never do.
他仅以四票之差落败，在很长一段时间里，此役都在提醒他的同事：他是个正在迅速成熟的立法者，能为一个案例做好充分准备，并以有力翔实的论据进行辩论。
He lost by only four votes, serving lasting notice on his colleagues that he was a rapidly maturing legislator who could prepare a good case and argue it effectively.
11月8日格林尼治标准时间23点28分，名为2005-YU55的小行星朝地球高速移动，两者相差324600千米（201700英里），天文学称之为毫厘之差。
AT 23:28 Greenwich Mean Time on November 8th an asteroid by the name of 2005-YU55 whizzed within 324, 600km (201, 700 miles) of Earth: an astronomical hair’s breadth.
在该算法中，论文根据两个参数的优先性，把时间窗以及配送集货量之差经过适当的变形，作为总成本的一部分进行综合考虑。
In the algorithm, the paper thinks the time and the balance of the pickup and delivery as logistic cost, as a part of the total cost.
在该算法中，论文根据两个参数的优先性，把时间窗以及配送集货量之差经过适当的变形，作为总成本的一部分进行综合考虑。
In the algorithm, the paper thinks the time and the balance of the pickup and delivery as logistic cost, as a part of the total cost.
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