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。

youdao

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。

youdao

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。

youdao

All have relatively little crime, high rates of homeownership, a heavily educated population and an abundance of community activities.

FORBES: America's Friendliest Towns

Once, the wealth of a nation was defined by the expanse of its land, the size of its population or the strength of its army, the abundance of its natural resources.

WHITEHOUSE: Vice President Biden Speaks in Kenya

This is because the country is spoilt with a long coastline and an abundance of mountains, valleys, rivers and rolling farmlands, plus one of the lowest population densities in Europe.

BBC: The wild taste of Wales