Rates of leaf photosynthesis have little relationship to yield.

Death rates for heart disease and stroke have declined by about 25 %.

而美国人的心脏病和中风死亡率在此期间下降了25%左右.

A new study examines and compares adult death rates worldwide over the last 40 years.

一项新的研究调查并比较了过去40年中全球的成人死亡率.

Breast cancer death rates begin to decline.

乳腺癌死亡率开始下降.

A new study examines and compares adults adult death rates worldwide over the last 40 years.

一项新的研究对过去四十年世界范围内的死亡率(成人死亡率)进行了调查和比较.

This is not only due to high birth rates, but to lower death rates as well.

这不仅仅是由于出生率高, 而且还由于死亡率低的缘故.

Pollution from car exhausts has raised death rates in cities all over the industrialised world.

汽车废气造成的污染已提高了所有工业化国家城市人口的死亡率.

One A major reason is prematurality the death rates are among the highest in the world.

一个主要的原因是早产,其死亡率在全球是最高的.

Incidence and death rates are standardized by age to the 2000 United States standard million population.

发病率及死亡率根据年龄按2000年美国标准百万人口标化.

Rural residents of all smoking categories experienced lower death rates than smoking counterparts in urban areas.

所有各类吸烟的乡村居民的死亡率比城市地区同类吸烟者低.

The group says death rates from colon, breast and prostate cancer continue to decrease.

这个小组说结肠, 乳房,前列腺的癌症死亡率在持续降低.

A new study exams examines and compares adultsadult death rates worldwide over the last 40 years.

一项新的研究调查和比较了过去40年内,在全球范围内的成人死亡率.

On the other hand, the death rate from flu dropped from 7.4% in 2000 to 4.1% in 2014.

另一方面，流感的死亡率从2000年的7.4%下降到2014年的4.1%。

In recent years, the death rate among American centenarians—people who have lived to age 100 or older—has decreased, dropping 14% for women and 20% for men from 2008 to 2014.

近年来，美国百岁老 —— 活到一百岁及以上的人 —— 的死亡率下降了，在2008年到2014年间，女性的死亡率下降了14%，男性的死亡率下降了20%。

a high/low death rate

高 / 低死亡率

Death rates from heart disease have risen considerably in recent years.

近年来心脏病的死亡率大大上升了。

Different tax rates were applied to different kinds of land according to their fertility.

对不同种类的土地,按照它们肥沃的程度采用不同的税率.

Retailers still stewed about the taxibility of a number of items.

零售商仍在为一部分商品的税率而发愁.

Because it is in an enterprise zone, taxes on non-food items are 3.5% instead of the usual 7%.

因为是在创业园区，非食品类产品的税率是3.5%，而不是通常的7%。

Would you please tell me the current exchange rate?

请问现在美元与港币的兑换率是多少?

The exchange rate is in our favour today, ie will benefit us when we change money.

今天的兑换率对我们有利.