1.
And development foregrounds is that propagation coefficient of the tip meristem culture is high and the range of increasing in yield is clear.
茎尖组织培养前景广阔，具有繁殖系数高、增产幅度大等特点。
2.
In the feeding season and the overwintered period,the sexual ratio betwee the females and males is about 1:1. The change of maturity coefficient of the female is 14.50% in the breedin season and there is a bit of decrease in other seasons.
繁殖季节中雌鱼的成熟系数高达14.5％。
3.
The Relationship between Clutch Size and Breeding Success of Great Tit in Secondary-forest;
山地次生林中大山雀窝卵数与繁殖成功的关系
4.
Most birds breed in the spring.
大多数的鸟在春季繁殖。
5.
Most plants reproduce by seeds.
多数植物靠种子繁殖。
6.
Most plants reproduce by seed.
大多数植物靠种子繁殖。
7.
propagating zero-sided Lindenmayer system
繁殖的林氏无关系统
8.
forbidden clone hypothesis
禁忌无性繁殖系假设
9.
Multiplication or increase, as by natural reproduction.
繁殖数目增加或增多，比如天然生殖
10.
Breeding Characteristic and Propagation System of Physocarpus Amurensis;
风箱果（Physocarpus amurensis）繁育特性及繁殖体系研究
11.
The Relationship between the Parental Care and Reproductive Success of the Falco Tinnunculus during the Breeding Period;
红隼繁殖期的双亲投入与繁殖成功的关系
12.
The Relationship between Developmental Processes of Reproductive Organs and Infection Quantity of Endogenous Rhizobia
苜蓿繁殖器官发育过程与内生根瘤菌侵染数量的关系
13.
Studies on reproductive allocation,floral size and its trade-off with floral number of annual Gentiana
一年生龙胆属植物的繁殖分配及其花大小、数量的权衡关系研究
14.
Relationship between Clutch Size and Reproductive Success of Great Tit Breeding inside Artificial Nest-box
人工巢箱条件下大山雀的窝卵数与繁殖成功的关系
15.
Popu|ation size:Approximately 600 boars in 1983.
数量:1983年调查有繁殖母猪600余头。
16.
Study on the Genetic Parameter of Reproductive Traits of Liaoning Cashmere Goat
辽宁绒山羊繁殖性状遗传参数的研究
17.
The Intraspecific and Interspecific Relationships of Common Kestrel (Falco Tinnunculus) during the Breeding Period
红隼繁殖期种内关系和种间关系研究
18.
The Technical Research of Female Individual Asexual Propagation and the Establishment of Propagation System of Castor (Ricinus Communis) in Two Forms;
蓖麻雌性单株两种无性繁殖技术研究及繁殖体系构建