模拟分析了繁殖群体大小、繁殖偏倚和占群优势雄性数目对麋鹿的有效种群大小的影响。
We simulated the impacts of breeding herd size, reproductive skew and numbers of breeding stags on the inbreeding coefficient of Père David's deer.
除非烟囱始终位于更适宜的暖水喷口附近，否则化学合成只能占喷口动物群的一小部分。
Unless smokers are consistently located near more hospitable warm-water vents, chemosynthesis can account for only a fraction of the vent faunas.
接下来，将你的消费者基群根据相近特征分割为多个群体，你会发现，可能有些群体只占你当前销售量的一个小百分比。
Next, as you segment your customer base into groups with similar characteristics you may find that some of the groups that presently account for a small percentage of your sales show potential.
过去一年，他们的绝对数字下滑了5%，至1100万人，但占这一年龄群的比例并没有发生变化。
Their absolute Numbers declined 5% in the past year to 11 million, but their proportion of that age cohort didn't change.
尘埃颗粒只约占组成介质群的百分之一，氢占百分之八十，其余的全是氦。
Dust grains are only about 1 percent of its mass, with hydrogen accounting for 80 percent and helium providing most of the rest.
中国有家畜禽品种、类群596个，其中土著家畜禽品种（类群）占品种总数的70％以上。
There are 596 species of livestock and poultry in China, of which over 70 percent are native species.
在我们的广大客户群中，例如航空业，物流业，船舶业占很大的比例。
In the vast customer base, such as the aviation industry, logistics industry, ship industry accounted for a large proportion of.
双歧杆菌作为机体肠道内数量占绝对优势的生理性菌群，对维持机体的健康发挥重要的功能。
Bifidobacterium, which is a domestic and dominant physiological flora in organism's intestinal tract, plays an important role in keeping healthy.
基于主成分分析在欧氏距离的水平上进行系统聚类，以3．5的距离将63个材料划分成7大类群，其中第7类群有48份材料，占76．19％。
On the basis of the 6 principal components, these 63 parents were divided into 7 groups by Euclidean distance (3.5) and 76. 19% of them (48) belonged to the seventh group.
股后肌群损伤常见于跑、跳等项目，其中以短跑和跨栏发生率较高，占肌肉损伤的第一位。
Running, jumping and other items of sports often lead to the injury to muscular cluster of back haunch, especially in such an item as sprint or hurdle, which has made up the first in flesh wound.
结果并发感染者菌群分布以G-杆菌为主，占检出菌的55 。2 % ；
Results The major flora detected is G - bacillus and the frequency of which is 55.2%.
根据区系的温度特性，湛江沿海鱼类，可以分成二个类群：暖水性鱼类135种，占总数78.95％；
According to the temperature nature of the fauna, the fishes of Zhanjiang Coast may be grouped into two types: (1). the warm-water, comprising 135 species (78.95% of the total) (2).
根据区系的温度特性，湛江沿海鱼类，可以分成二个类群：暖水性鱼类135种，占总数78.95％；
According to the temperature nature of the fauna, the fishes of Zhanjiang Coast may be grouped into two types: (1). the warm-water, comprising 135 species (78.95% of the total) (2).
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