The image shows a page from a textbook with Chinese characters. The title at the top reads "第一章 绪论" (Chapter 1: Introduction). Below the title are sections labeled "学习目标" (Learning Objectives) and "重点与难点内容" (Key and Difficult Content). The learning objectives are listed as three numbered points, detailing what students should grasp, be familiar with, and understand regarding epidemiology. The key and difficult content section begins with a definition of epidemiology, followed by its definition in English and a more detailed explanation. The text discusses the distribution and determinants of health-related states and events in specified populations, and its application to the control of health problems. There are no people or city elements visible in the image.Student studies epidemiology textbooks i
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meeno

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Wed, Jun 10, 2026, 10:03 AM

12d ago

Chongqing High-tech Zone, China

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The image shows a page from a textbook with Chinese characters. The title at the top reads "第一章 绪论" (Chapter 1: Introduction). Below the title are sections labeled "学习目标" (Learning Objectives) and "重点…read more

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