The researchers say the United States represents more than fifty percent of the trade in coral and reef fish.

VOA: special.2010.08.10

From the standpoint of your genes, you dying for the life of three brothers is an excellent compromise 50% because the genes replicate by fifty percent more.

从你自身基因的角度看，你为了三个兄弟牺牲自己,是非常好的折中,因为基因复制超过。

耶鲁公开课 - 心理学导论课程节选

They only capture fifty percent of their marginal benefit.

他们只能得到50%的边际收益

耶鲁公开课 - 博弈论课程节选

But the agency also says as much as fifty percent of the medicine sold on the Internet is counterfeit.

VOA: special.2010.02.22

Less than one percent, less than one percent of the real and personal property, in both South and North by the 1850s, was held by approximately fifty percent of free adult males.

不到百分之一,不到百分之一的不动产和动产,在十九世纪五十年代的南方和北方一样,由大约百分之五十的自由成年男性持有

耶鲁公开课 - 美国内战与重建课程节选

An increasing number of countries are reporting a drop of more than fifty percent in malaria deaths, the report says.

VOA: special.2010.03.10

It adds fifty percent or a half to that and that means instead of two quarter notes that we now have three and we can do the same thing to any one of these other values here and that's how we get our triple relationships.

加上了百分之五十或者说一半的原音符值,这意味着除了有两个四分音符,我们现在有三个了,我们也可以在其他这些音符值后加上附点,这就是我们如何做到三倍形式的安排的

耶鲁公开课 - 聆听音乐课程节选

It says salt in the American diet has increased fifty percent since the nineteen seventies, while blood pressures have also risen.

VOA: special.2010.01.27

Well, we were raised by different parents and we have different genes We can't tell-- My brother and me might share all sorts of things in common but we have the same parents and the same genes, fifty percent of the same genes ? So how do we tell what's causing us to be alike?

因为我们的父母不同,我们有不同的基因,我哥哥和我,可能会有很多共同点,我们的父母是一样的,有50%的基因相同,那是什么导致我们相似的呢？

耶鲁公开课 - 心理学导论课程节选

They said the risk of an enlarged prostate was fifty percent lower in the NSAID users than the other men.

VOA: special.2009.10.20

Experts predict that the share of babies born to white, non-Hispanic women will fall below fifty percent within the next two years.

VOA: special.2010.03.20

He says they gave complete protection if administered immediately and up to fifty percent protection if administered up to five days later.

VOA: special.2009.03.04

"Even with high school teachers, we find that less than fifty percent of assignments are done via word processing or with word processing.

VOA: special.2009.10.29

They are said to use forty to fifty percent less wood than an open fire, and produce fifty to seventy-five percent less smoke.

VOA: special.2010.02.01

The latest government report shows that their share of nonfarm jobs nearly reached fifty percent in September.

VOA: special.2009.11.20

It also estimates that up to fifty percent of the medicine sold on the Internet is counterfeit.

VOA: special.2010.03.01

But this year, experts say the butterfly population has dropped by as much as fifty percent.

VOA: special.2010.04.27

It also said more than one third of all countries at risk of malaria reported a drop in cases of more than fifty percent.

VOA: special.2010.04.20

The W.H.O.says insecticide-treated bed nets have been shown to reduce the number of malaria cases by fifty percent and the infection rate by ninety percent.

VOA: special.2010.04.20

Prices in Phoenix,Arizona, are now fifty percent below their highest levels of three years ago.

VOA: special.2009.05.08

A candidate needs more than fifty percent of the vote to avoid a run-off election.

VOA: special.2009.08.22

The report said home ownership of insecticide-treated nets had reached fifty percent in thirteen of the thirty-five African countries with the highest cases of malaria.

VOA: special.2010.04.20

The Millennium Development Goals for two thousand fifteen call for a fifty percent decrease in the number of people without safe drinking water and basic sanitation.

VOA: special.2010.04.05

said the doctor. "But whenever my patient begins to count the carriages at her funeral, I take away fifty percent from the curative power of medicines."

VOA: special.2009.08.01

And between thirty and fifty percent of lupus patients will develop lupus-related kidney disease.

VOA: special.2009.04.14

Injuries increased one hundred fifty percent between nineteen ninety-seven and two thousand seven.

VOA: special.2009.08.06

And,between thirty and fifty percent of lupus patients will develop lupus-related kidney disease.

VOA: special.2010.06.15

A second goal is for the number of malaria cases and deaths to be reduced by fifty percent or more from the number reported in two thousand.

VOA: special.2010.04.20

Sesame,cotton and sunflower seeds, for example,all contain at least fifty percent oil.

VOA: special.2009.09.29

About fifty percent of the remaining coral are under risk of collapse.

VOA: special.2010.08.10