1.
Expounding the Influence of Qinghai-Tibet Plateau Ancient Environment Vicissitudes on Human Economic Activities;
试论青藏高原的古环境对人类经济活动的影响
2.
Abnormal climate and irrational human activities were the major reason of these changes.
气候变化和人类经济活动是导致研究区土地利用变化的主要因素。
3.
Landscape Ecological Change and Its Human Economical Action Effect in Bailongjiang-taohe Region;
白龙江—洮河流域景观生态变化及其人类经济活动的影响
4.
The affect of human economic activity, from on mid-Qing dynasty, on the eco-environment of three rivers source regions;
中清以来人类经济活动对三江源区生态环境的影响
5.
As subsidiary product of man's economic activity, negative environmental effect of trade owns its economic connotation.
国际贸易对环境的影响是人类经济活动无限扩张的副产品，有着深刻的经济学原因和内涵。
6.
On Complementary Actions between Physical Changes of Natural Resources and Economical Activities of Mankind;
自然资源物质运动与人类经济活动的互补运动刍议——关于自然资源价值的理论思考
7.
Economics is one of the subjects which concern human activities.
经济学是有关人类活动的学科之一。
8.
Knowledge Economy and the Strengthening of the Subjective Effect of Human Activities;
知识经济与强化人类活动的主体性效应
9.
economically active person
从事经济活动的人士
10.
economically inactive population
非从事经济活动的人口
11.
Economics is human action, a reality which no one can escape.
经济学是人类的活动，这是任何人都不能回避的现实。
12.
gross domestic product by kind of economic activity
按经济活动种类分列的国内产品总值
13.
The Study on Soc-Economics Supportmental Systme to Vegetation Restoration in Karst Protected Areas Intensely Influenced by Human Action;
人类强烈活动区喀斯特保护地植被恢复的经济社会支持系统研究
14.
Study on Forest Resources Change and Its Influence on Economic and Social Activities;
森林资源变化及其对人类社会经济活动的影响分析
15.
economic life of mankind in primitive society
原始社会的人类经济生活
16.
These activities modify existing landscape patterns and processes either deliberately or inadvertently.
随著人类社会日益城市化，未来的景观将越来越强烈地受到人类经济、社会活动的改造。
17.
twilight economy
非正规经济(活动)
18.
Resource Restriction of Domestically Economic Activity and Assumption of the New Economic man
现代家庭经济活动的资源约束与新经济人假定