“Focal length (photography)”的意思、由来-开放百科全书

词条	Focal length (photography)
释义	SeeFocal length
随便看	Women in agriculture in the United Kingdom Women in agriculture in the United States Women In Agriculture - United States Women in American football Women in American history Women in American prisons Women in American Radio Women in American radio Women in Amish Society Women in Amish society Women in Ancient Athens Women in ancient Celtic societies Women in Ancient Egypt Women in Animation Women in Antarctica Women in Arab societies Women in archaeology Women in a River Landscape Women In Astronomy Nepal Women In Astronomy Nepal (WIAN) Women in Automotive Industry Women in Aviation, International Women in Aviation, International Pioneer Hall of Fame Women in Aviation International Pioneer Hall of Fame Women in Aztec civilisation

开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。