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Mathematics and Its Applicationsonships among a number of variables within an economic system. Traditional growth models tended to focus primarily on economic variables and their inter-dependency. However, it is becoming increasingly evident that there is a close relationship between the economic and ecological systems. The most p运动的我 发表于 2025-3-23 18:31:48
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Joseph A. Merriman,Patrick M. Schlievertuctivity and sustainability: the livestock sector. The livestock sector is an important income generating sector for many developing countries. However, the sector is also known to cause much of the land degradation that occurs in many of these countries. Overstocking as well as overgrazing have cau饥荒 发表于 2025-3-24 11:23:22
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A Generalized Integrated Economic-Environmental Growth Model,rominent problem today that illustrates this close relationship is climate change. It is now well known and accepted that human activities over the last 100 years have contributed significantly to the increase of a number of gases that iincrease atmospheric temperatures throughout the globe.刺穿 发表于 2025-3-24 19:07:08
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