Linear algorithms tend to be things where, at one pass-through, you reduce the problem by a constant amount by one. If you reduce it by two, 1 it's going to be the same thing.

有问题么？,线性复杂度的算法，当进行了一个,常量级步数的操作的时候，将问题的规模缩小了一个。

麻省理工公开课 - 计算机科学及编程导论课程节选

the United States announced a target to reduce its emissions by 17% below 2005 levels in 2020.

美国宣布了到2020年实现在2005年的水平基础上减排17%的目标。

对全球变暖的政策 - SpeakingMax英语口语达人

And x0 I'm going to reduce to 0 by choice of my origin being here.

0 等于零,因为我把原点取在这里

耶鲁公开课 - 基础物理课程节选

Well, you can see you're going to be dividing not by a hundred here, but by a hundred times a hundred, so it's going to reduce this from .04 to .004.

你可以看出,这儿就不是除以100了,而是除以100*100了,这里就从0.04降到了0.004

耶鲁公开课 - 金融市场课程节选

Those same estimates say that if you could turn that around, that if the world could eat the recommended level of fruits and vegetables, that you'd reduce the prevalence of heart disease by 31%.

反过来说就是,如果大家都能食用适量的水果和蔬菜,那心脏病的普遍性将降低31%

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Now, figure in the fact that smoking is playing a role, physical activity is playing a role, still just changing fruit and vegetable consumption potentially could reduce heart disease worldwide by this much: stroke by 19% and some cancers by as much as 20%.

实际上吸烟和运动都对此有影响,即使将这些因素都考虑进去,仅仅改变水果和蔬菜的摄入量仍然能,在全球范围内减少这么多的心脏病得病率,中风减少19%而某些癌症减少达20%

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选