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back focal distance
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Encyclopedia
艺术学
镜头参数
释
back focal distance
后顶焦距
摄影镜头相关光学概念。又称像方顶焦距、后工作距、后截距、后镜端焦距。
艺术学
镜头参数
释
back focal distance
后截距
摄影镜头相关光学概念。又称后顶焦距、像方顶焦距、后工作距、后镜端焦距。
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International Organization of Legal Metrology
International Organization of Scenographers Theatre Architects and Technicians China Center
international organizations for environmental protection
International Orienteering Federation
International Paralympic Committee
International Patent Classification
International Patent Documentation Centre
international permanent court of arbitration
International Phonetic Alphabet
International Pipeline Conference
International Plague Conference
International Plan of Action for Conservation and Management of Sharks
International Plan of Action for Reducing Incidental Catch of Seabirds in Longline Fisheries
International Plan of Action for the Management of Fishing Capacity
International Plan of Action to Prevent, Deter, and Eliminate Illegal, Unreported and Uncotrolled Fishing
International Plant Names Index
International Plant Nutrition Colloquium
International Plant Nutrition Institute
International Plant Protection Convention
International Polar Motion Service
International Polar Year
International polar year
International Police Association
international police liaison
international political actor/player
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