In the 20th century, the wealth of nation was primarily measured by the abundance of its natural resources, the expanse of its landmass, the size of its population and the potency of its army.
在20世纪，衡量国家财富的主要尺度是自然资源的丰裕程度、国土幅员、人口规模和军事力量。
Due to lack of trees and population competition, species that are rare or with high relative abundance constitute only a small proportion.
具有较高丰富度的种类仅占很少部分，可能与乔木缺乏和种群竞争有关。
The Yukeng forest community in Xianju County of Zhejiang Province has abundance of plant species, of which the dominant population is not so clearly classified.
浙江仙居俞坑森林群落植物种类丰富，优势种不明显，群落中植物种类以常绿阔叶树种为主，落叶阔叶成分也有一定比例。
The over-dispersion of the acanthocephalan population in host different body length groups was found, and the degree of the aggregation increases with the increases of mean abundance.
棘头虫种群在宿主不同体长组的分布类型为聚集分布，且聚集强度随棘头虫的种群平均丰度增加而增加。
Cleistogenes squarrosa population is one of the 3 populations of maximum abundance under all stocking rates from 1989 to 1997.
尽管内蒙古细毛羊较喜食糙隐子草，但其种群在所有放牧率下均是多度最大的3个种群之一。
Cleistogenes squarrosa population is one of the 3 populations of maximum abundance under all stocking rates from 1989 to 1997.
尽管内蒙古细毛羊较喜食糙隐子草，但其种群在所有放牧率下均是多度最大的3个种群之一。
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