1.
Reproduce naturally in the open rather than under an overstory.
宁在空旷地而不是树冠下自然繁殖。
2.
Eco-hydrological Characteristics of Four Major Chinese Carps on Nature Spawning Conditions in the Mid-lower Hanjiang River
汉江中下游“四大家鱼”自然繁殖的生态水文特征
3.
Surveying Ecology of Reproduction of Jay in Lishan Nature Reserve
历山自然保护区松鸦繁殖行为的观察
4.
The field mice, lacking natural predators, have flourished in numbers and are running amok destroying nature.
缺少天敌的田鼠们，繁殖、破坏起来自然”随心所欲”。
5.
The Reproductive Environmental Factors of Chinese Alligator (Alligator sinensis) in the Unartificial Environment
自然环境下影响扬子鳄繁殖的环境因子
6.
Preliminary Study on Reproductive Ecology of Salamandrella keyserlingi in Xingkai Lake Nature Reserve
兴凯湖自然保护区极北鲵繁殖生态学初步研究
7.
Genetic Analyses of the Spawning Stock of Chinese Sturgeon (Acipenser Sinensis) and Contribution Assessment of Artificial Propagation on Natural Juvenile Population Based on Microsatellite Markers;
基于微卫星标记的中华鲟繁殖群体遗传学分析与人工繁殖对自然幼鲟群体的贡献评估
8.
Multiplication or increase, as by natural reproduction.
繁殖数目增加或增多，比如天然生殖
9.
They settled down wonderfully, and soon started to breed.
他们安然自得地定居下来，并很快地就开始繁殖了。
10.
The breeding ecology and population dynamics of the little egret (Egretta garzetta) in Dayu Islet, Xiamen Egret Natural Reserve;
厦门白鹭自然保护区大屿岛的白鹭繁殖生态和种群动态
11.
Community-based Conservation: Establishing of Water-bird Breeding Area in Bojiwan Village;
参与式自然保护区——草海簸箕湾水禽繁殖区的建立
12.
Breeding Habitat Suitability Evaluation of Red-crown Crane in Zhalong National Nature Reserve by the Method of Habitat Suitability Index
基于HSI模型的扎龙国家级自然保护区丹顶鹤繁殖生境适宜性评价
13.
Location of Highly Pathogenic Porcine Reproductive and Respiratory Syndrome Virus in Naturally Infected Swine
高致病性猪繁殖与呼吸综合征病毒在自然病例组织中的定位
14.
Reduced vigor or "inbreeding depression" is not an invariable consequence of inbreeding.
降低生活力或“近亲繁殖的衰退”并不是近亲繁殖必然的后果。
15.
Microbes that penetrate the Body's natural Barriers encounter substances (such as interferon) that inhibit their growth or reproduction.
穿透身体自然障碍的微生物会遭遇到抑制其生长与繁殖的物质(例如干扰素)。
16.
"So naturally divergent cats were found and then bred so there is really no modification of the gene."
“所以我们找出这些有自然差异的猫，再用他们繁殖后代。这不是人为地转变基因。”
17.
They were maintained by normal self-pollination.
它们保持正常的自花授粉繁殖。
18.
The tree will propagate themselves by the reproduction of their seed
这些树将通过种子的再生而自行繁殖