1.
The Scientific Experimentation on Promoting China s Rural Areas in the 1930s.;
20世纪30年代科技兴农试验:定县猪种改良
2.
thin-bodied mongrel hog of southeastern United States that is a wild or semi-wild descendant of improved breeds.
美国东南部的瘦体杂种猪，是野猪或半野猪的改良后代。
3.
Establishment of a Better Pig Model of Severe Acute Pancreatitis
一种改良的猪重症急性胰腺炎模型的建立
4.
Seed Improvement and Development Programme
种子改良和开发方案
5.
To improve the quality of(livestock) by crossbreeding with purebred stock.
改良品种与纯种家畜杂交来改良（家畜）品质
6.
However, suppose that a tree falls on the superior pig before it has produced offspring.
然而，假定在这只良种猪产出小猪以前，它被一棵倒下来的树压死了。
7.
It is a good vaccine, particularly in pigs fed on swill.
这是一种良好的疫苗，尤其对喂饲残羹的猪。
8.
Establishment of Cross-breeding System among Huanong-Wenshi Well-bred Pigs of Guangdong Province;
广东华农温氏良种猪杂交繁育体系建立的探讨
9.
The reformists came to realize the disadvantages of the old China.
改良派意识到了旧中国的种种弊端。
10.
Seed Extension and Germplasm Improvement on Maize in Mountainous Area;
山区玉米种质改良与杂交种推广探讨
11.
Characteristics of Australian South Devon and Its Crossbred Improving Effects
澳大利亚南德温良种肉牛及其杂交改良效果
12.
Effect of Crossbred(genotype) Selection on the Meat Quality in Saba Pigs--Meat Quality and Fibre Characteristic
杂交改良对撒坝猪肉品质的影响——肌肉食用品质及肌纤维特性分析
13.
A Study of Protective Effects of Modified Heart Preservation Solution on Warm Ischemic Porcine Hearts During Cold Storage;
改良心肌保存液对热缺血冷保存猪心保护的试验研究
14.
Rudiment Research and in Vitro Evaluation of a New Improvement Single Layer Suture Stentless Porcine Aortic Bioprosthesis
新型改良单层缝合无支架猪主动脉瓣的初步研究及体外测试
15.
As a result of this non-Darwinian event, the superior animal and its genes would be removed from the population.
由于达尔文学说中未涉及的这一事件，这只良种猪连同它所携带的基因便从这群猪中消灭掉了。
16.
It is important to enrich the soil before planting.
种植前先改良土壤是很重要的。
17.
(of domestic animals) improved by selective breeding.
（指家畜）通过选择性育种进行改良。
18.
They are improved strains bred by the Agricultural College.
它们是农学院培育出的改良品种。