They hope to reduce both the number of components needed in a construction job and their weight—by replacing solid supports with hollow tubes, for example.
他们希望减少建筑工作所需的部件数量和重量，例如，用空心管代替实心支架。
The super long neck of a dino would "reduce the overall cost of foraging by 80 percent, compared with a minimally necked individual".
有着超长脖子的恐龙，“与最短颈生物相比，能够节省觅食代价的80%”。
This helps you reduce waste by sharing unwanted food and other things with neighbors—exactly the kind of community app you could design.
这可以帮助你通过与邻居分享你不需要的食物和其他东西来减少浪费——这正是你可以设计的社区应用程序。
They found that a city with only white rooftops could reduce the urban heat effect by thirty-three percent.
VOA: special.2010.03.02
"We can work with the Russians, as the two countries with by far the largest nuclear stockpiles, to continue to reduce our dependence on nuclear weapons."
VOA: standard.2009.05.19
She credited the government in Luanda for moving to reduce corruption in the oil sector by publishing revenues on line and working with U.S.officials to increase transparency.
VOA: standard.2009.08.10
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