1) calf
[英][kɑ:f] [美][kæf]
牛源
1.
Isolation and identification of a LT Enterotoxigenic Escherichia coli from calf origin;
一株牛源产不耐热肠毒素大肠杆菌的分离鉴定
2) bovine derived proteins
牛源蛋白
3) bovine material
牛源成分
1.
[Results] Bovine and sheep materials were not detected in all 7 samples of homemade cosmetic, while in 13 samples of imported cosmetic,bovine material of 3 samples was positive, but the sheep material was not detected.
[结果]7份国产化妆品均未检出牛羊源性成分,而13份进口化妆品,检出牛源成分3份,未检出羊源成分。
4) official cattle origin
官牛来源
6) yak resources
牦牛资源
1.
The re-search contents include yak resources situation,physiology and biochemistry,inheritance,cross-breeding,inbreeding,wild yak resources and their utilization,productivity,nutrition and feeding management,product quality,yak diseases and so on.
论文通过对大量的资料和论文查阅、分析和总结,以牦牛资源近十几年研究和生产为线索,从牦牛的资源研究现状、生态生理生化、遗传、种间杂交、本品种选育、野牦牛资源及利用、生产性能、营养及饲养管理、产品品质分析和开发利用以及牦牛疾病等研究内容着手,较全面而系统地阐述了我国牦牛科学近十几年的研究进展,并总结了牦牛科研和生产中存在的主要问题,为了解牦牛科学发展及对今后牦牛科研和生产具有一定的参考价值。
补充资料：有牛使牛﹐无牛使犊
1.比喻当达不到原有条件时﹐则降格以求。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条