摘要
戴眼镜看物体与眼睛直接看物体时相比,物体究竟变小、等大还是变大,取决于眼镜与眼睛光心之距与眼睛的焦距。
Comparing to see the objects with glasses,with seeing them directly will become bigger,equal or small all depends on focal distance between glasses and eyes.
出处
《湖北理工学院学报（人文社会科学版）》
2002年第4期65-68,共4页
Journal of Hubei Polytechnic University(Humanities And Social Sciences)
关键词
示意眼
焦距
光焦度
实像
虚像
放大率
高斯公式
sketch eye
focal distance
degrees of light and length
real image
virtual image
enlarging rate
Gaos' s formula
