种牛 meaning in English
bull kept for covering
Examples
- Crossbreeding effects of angus on native yellow cattle
安格斯种牛杂交改良本地黄牛效果 - The german cattle population is provided with outstanding health status documented by reliable certificates
德国种牛群的健康状况都有最可靠的文体记录证书。 - The project will assist the development of a number of beef production model systems that are integrated from seedstock producer to processor and consumer
此项目将帮助很多将种牛生产者肉牛加工者和消费者融为一体的肉牛生产模式系统的发展。 - According to the report of u . n . food and agriculture organization , 16 percent of all 7 , 600 known breeds of cattle , pigs , sheep , chickens , ducks and other farm animal species are at risk
根据联合国粮食及农业组织的报告，在已知现有7 , 600种牛、猪、羊、鸡、鸭和其他农场畜种中，有16 %濒临危险。 - In the second chapter , we used the two deformed newton which was discussed in the chapter 1 to solve the problem of finding the roots of nondifferentiable equations and established convergence theorems using majorant method
在第二章中，用第一章讨论过的两种牛顿迭代来解决不可导方程的求根问题。并且用优序列方法给出了收敛性定理。