1.
The Fitness Analysis of Hybrids and Parental Species of H.goniocarpa Hybrid Zone
棱果沙棘自然杂交带亲本与杂交后代的适应性分析
2.
Molecular Evidence for Nature Hybridization and Maternal Origin of Hybrids in Hippophae L.
沙棘属自然杂交种杂交起源及母本来源的分子证据
3.
Study of Reproductive Isolation to Natural Hybrid Zone of Hippophae (Elaeagnaceae)
沙棘属植物自然杂交带的生殖隔离状况的研究
4.
Natural crossing varies from less than 0. 5 to about 1%.
天然杂交点自0．5％以下至1％左右不等。
5.
Then the hybrids are allowed to self-copulate naturally, and several lines are established.
然后让杂种天然自交，这样就形成几个品系。
6.
Comparative Genomic Hybridization Analysis of Spontaneously Aborted Specimen;
比较基因组杂交在自然流产组织分析中的应用
7.
back numbers of `Nature'
过期的《自然》杂志.
8.
Influences of Natural High-temperature Stress on Pollen Fertility and Main Agronomic Traits of Hybrid Rice
自然高温胁迫对杂交水稻花粉育性和主要农艺性状的影响
9.
Studies on Self-Cross、Hybridization and Embryo Rescue of Interspecific Hybrid in Dendranthema;
菊属植物自交、杂交及远缘杂种幼胚拯救研究
10.
The Relationship Between the Number of Filaments of Inbred Lines and Hybrids
玉米自交系与杂交种花丝数目的关系
11.
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
12.
The possibilities of producing something entirely new by emulating nature's very wide crosses are enticing.
用自然界的非常广泛的杂交方法创造出全新植物种的可能性是诱人的。
13.
Water Resources Research is an interdisciplinary journal integrating research in the social and natural sciences of water.
描述:水利研究是一个交叉学科杂志，集中了水利社会与自然科学方面的研究。
14.
Natural properties of mutation, growth, and symmetry are drawn parallel to global social issues of cultural hybridization and development.
把自然性的基因突变，发展和保持平衡与文化杂交和发展的全球性社会问题作一个比较。
15.
Genetic Diversity, Gene Introgression and Homoplasy in Natural Sympatric Populations of the Genus Actinidia;
猕猴桃属植物自然居群的遗传多样性及其同域分布物种的杂交渐渗与同塑
16.
Its function is surely communication.
它的功能自然是交流。
17.
System for Technology Exchange for Natural Disasters
自然灾害技术交流系统
18.
uliar to a seminatural economy
半自然经济的物物交换