And he says his team has already identified two trillion dollars in reductions to help cut the deficit in half within four years.

VOA: special.2009.02.27

Cut the problem in half. Cut the problem in half again. And that's a typical characterization of a log algorithm.

是每次除以特定的量,将问题减一半，再减一半,如此，这就是对数算法的典型特性。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because if b was odd, then b minus one is even which means on the next step, I can cut the problem in half again.

这意味着我在下一步里解决的问题,规模要小了一半，好，课堂材料的第三题。

麻省理工公开课 - 计算机科学及编程导论课程节选

If finer materials are used, such as cut grass, the depth should be two and a half to seven and a half centimeters.

VOA: special.2009.06.30

They promised to do their part to cut the growth rate in health spending by one and a half percentage points a year.

VOA: special.2009.05.15

Kim Gabel uses newspaper cut into strips about two and a half centimeters wide.

VOA: special.2011.07.05

A plan promoted by host Canada will have the most advanced countries cut their budget deficits in half by 2013.

VOA: standard.2010.06.27

With BP's value almost cut in half, it is not just the people at the top who will be hit.

VOA: standard.2010.06.18

And also that the rates of tuberculosis" - that those rates were cut in half by starting earlier."

VOA: standard.2010.07.21

The farmers themselves pay to keep it running. Their new irrigation method has cut water usage by half.

VOA: standard.2009.12.10

Civil war cut the nation in half in 2002, after rebels attempting to overthrow President Gbagbo took control of the northern part of the country.

VOA: standard.2009.09.29

Kenneth Feinberg, the Treasury official leading the pay review, says the executives' salaries will be cut by as much as 90 percent, and their average total compensation will drop by about half, starting in November.

VOA: standard.2009.10.22