1.
The Study and Design of Mixed Expert System of Duck Breeding Based on Fuzzy Neural Network;
基于模糊神经网络的鸭育种混合专家系统的研究与设计
2.
A large white duck of a Chinese breed, widely raised in the United States for food.
北京鸭一种中国种的大白鸭,在美国广泛培育用于食用
3.
This duck is a cross between a wild duck and an ordinary duck.
这种鸭子是野鸭和普通鸭子的混种。
4.
Molecular Phylogenetic Analysis of Duck in China;
中国主要地方鸭品种分子系统发育的研究
5.
Study on Development Rule of Muscle Fiber in Different Duck Breeds
不同鸭品种肌纤维的发育规律研究(摘要)(英文)
6.
Study on the Molecular Evolution and Phylogeny of Mitochondrial D-loop Sequence Polymorphic in Duck;
部分鸭种线粒体D-环部分序列多态性与系统发育关系研究
7.
any of various large diving ducks found along the seacoast: eider; scoter; merganser.
在海岸活动的各种大型潜水鸭；绒鸭；海番鸭；秋沙鸭。
8.
Either of two diving ducks(Bucephala clangula or B. islandica) of northern regions, having a short black bill, a rounded head, and yellow eyes.
鹊鸭一种潜鸭（鹊鸭或冰洲鹊鸭），生活于北方，黑短喙，圆头，黄眼
9.
So we cannot breed a good breed with advantage of crossbreed.
本文作者从品种的系统选育角度，分析了这一地方鸭种资源的选育价值。
10.
complete varieties of chicken, duck, fish and meat
鸡、鸭、鱼、肉品种齐全
11.
Any of several large sea ducks, especially of the genus Somateria of northern regions, having soft, commercially valuable down and predominantly black and white plumage in the male.
绒鸭一种大海鸭，尤指北部地区的欧绒鸭属，有柔软的有商业价值的鸭绒，雄鸭毛主要为黑白色
12.
A wild duck(Anas platyrhynchos)of which the male has a green head and neck.Most domestic ducks descend from the mallard.
绿头鸭一种野鸭（绿头鸭），其雄鸟具有绿色的头和颈。大部分驯化了的家鸭都是绿头鸭的后裔
13.
Any of a breed of common domestic ducks descended from and resembling the mallard.
鲁昂鸭一种与绿头鸭相似并是其后代的普通家养鸭
14.
A North American wild duck(Aythya valisineria)having a reddish - brown head and neck and a whitish back.
帆布背潜鸭一种北美野鸭（帆背潜鸭），头颈呈红褐色，背呈浅白色
15.
Dynamics of antibody against duck hepatitis virus in breed ducks and of maternal antibody in ducklings;
鸭肝炎病毒免疫种鸭抗体消长规律及其雏鸭母源抗体变化的研究
16.
Cloning of a Hybrid Down-regulated Gene r-MHD2 in Domestic Duck and Muscovy Duck Crossbreeding System
家鸭×番鸭杂种下调表达新基因r-MHD2的克隆
17.
Evaluation of Genetic Diversity of Some Wild and Domestic Ducks in China Based on Microsatellite Markers
我国几种野鸭和家鸭遗传多样性的SSR分析
18.
The "spoon-feeding" education system leads one to be statisfied with one's status quo.
而这种填鸭式的教育的结果，导致人容易安于现状，照章行事的处世态度。