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一、本章内容这一章是色彩斑斓的光现象的第二部分,在光现象的基础上,讲述透镜及透镜的实际应用。主要内容有透镜的初步知识;生活中的透镜:放大镜、照相机、投影仪;观察世界的窗口:眼睛和眼镜,还有观察微观和宏观用的显微镜和望远镜。编者把这些内容放在一起,具有理论联系实际的特点。这些内容都与生产、生活息息相关,体现了新的课程标准“从生活走向物理,从物理走向社会”这一发展的理念。
I. Content of this chapter This chapter is the second part of the colorful light phenomenon. Based on the light phenomenon, it describes the actual application of the lens and lens. The main content is the preliminary knowledge of the lens; the lens in life: magnifying glass, camera, projector; the window to observe the world: eyes and glasses, as well as microscopes and telescopes for microscopic and macroscopic observations. The editors put these contents together and have the characteristics of combining theory with practice. These contents are all closely related to production and life, embodying the concept of the development of the new curriculum standard “from life to physics and from physics to society”.