death-rate

基本解释

An animal species becomes extinct when it fails to produce enough young in each generation to keep pace with the death-rate.
当一种动物不能在每一代都繁殖出足够的后代而与其死亡率保持一致时，它就会逐渐灭绝了。
Cancer figures largely in the death-rate of the US.
在美国，癌症在死亡率中占相当大的比重。
In recent years China has claimed a falling death-rate even as coal production has risen (see chart).
近年来，中国一直宣称在煤炭产量提升的同时，矿工死亡率则逐年下降。
blog.sina.com.cn

One of the U.N.Millennium Development Goals is to reduce the under-five death rate by two-thirds by two thousand fifteen.
Still, he points to some hopeful signs -- including a large reduction in the child death rate in Malawi.
UNICEF says the death rate for children under the age of five has fallen twenty-eight percent since nineteen ninety.

The permanent death-tax rate tops out at 55 percent.
FORBES: Estate Tax Cliffhanger

The death rate is the number of people per thousand who die in a particular area during a particular period of time.

死亡率
The early death rate was 12.9%.
早期死亡率12.9%。
病死率
Case-fatality rate was 72.7%. The death rate of Ⅲ group is significantly higher than Ⅰ group and Ⅱ group.
全组病死率为37.0%。
农业科学
死亡率
The death rate of bollworm 72 h after eating the leaves was significantly higher than the death rate of bollworm 144 h after eating the leaves.
棉铃虫取食72 h后的死亡率明显低于144 h后的死亡率。
致死率
The final death rate of Matrine 800×, 1000×,1200×are 76.5%, 88.2%, 96.1% respectively.
苦参碱800倍、1000倍、1200倍液的最终致死率分别为76.5％、88.2％、96.1％。
死株率