Genectic Analysis and F_1 Selection of Eucalyptus Urophylla Intraspecific and Interspecific Crossing Combinations
尾叶桉种内种间交配遗传分析及F_1选择研究
the act of mixing different breeds of animals.
不同种类的动物之间的交配。
Reproduction by the fusion of gametes of similar ancestry.
近亲交配近亲之间交配的有性繁殖
Random mating within a breeding population.
自由交配在一个育种群中自由交配
(biology) taxonomic group whose members can interbreed.
（生物学）成员之间可以进行异种交配的分类学类目。
In most species, of course, neither sex hangs around long enough to light even a metaphorical post coital cigarette.
当然，在多数物种里，两性交配后相依的时间还不足以点燃一支烟。
Classification, Inheritance of Environmentally Enduced Genetic Male Sterile (EGMS) Lines and Parent Selection for Breeding of Inter-Subspecies Hybrid Rice;
水稻环境敏感核不育系的分类、遗传及亚种间杂交稻亲本选配研究
Correlations between specific combining ability,heterosis and genetic distance in hybrid rice
杂交稻特殊配合力与杂种优势、亲本间遗传距离的相关性
to breed pigs in - and - in.
以同种交配的方式养猪
interspecific chemical interaction
生物种间化学交互作用
Gestation extends from fertilization to birth.
妊娠期系指从配种到分娩之间的时间。
stags fight during the rut
雄鹿之间在交配期的格斗.
Research on the Rationalizing Configuration of Our Country's Government Crossing Decision-making Authorities
我国政府间交叉事权配置合理化研究
Travel time reliability-based traffic assignment problem
基于出行时间可靠性的交通配流问题
A NEW TRAFFIC ASSIGNMENT ALGORITHM BASED ON THE SHORTEST PATHS AND GAME THEORY
一种基于最短路博弈分配的交通配流新算法
Hardiness Resistance of Grape Progenies from Hybridization and Self-pollination
葡萄种间杂交和自交后代抗寒性分析
mating of individuals having more traits in common than likely in random mating.
与随机交配相比具有更多相同特征的个体之间发生的交配。
mating of individuals having traits more dissimilar than likely in random mating.
与随机交配相比具有更多不同特征的个体之间发生的交配。