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底-正摄影系统
释义
底-正摄影系统
Encyclopedia
艺术学
摄影工艺
释
negative-positive photographic system
底-正摄影系统
感光材料经曝光冲洗获得负像后称为底片,印相纸经由底片进行接触印相冲洗获得正像后,或者放大纸经由底片进行放大冲洗获得正像后,称为照片,此摄影成像系统称为底-正摄影系统。又称负-正摄影系统。
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rodent caused wasteland
rodent community on grassland
rodent control
Rodent Damage for farmland in South China
Rodent Damage for Southern Fruit Tree
Rodent Damage for Vegetable
Rodent damages in corn fields
Rodent damages in cotton fields
rodent damages in croplands
rodent damages in croplands of Northeast China
Rodent damages in peanut fields
Rodent damages in rice fields
Rodent damages in soybean fields
Rodent damages in wheat fields
rodent damages on the stored grain
rodent damage to fruit trees in north China
rodent disasters in China
Rodent fertility control
rodenticide
rodenticide poisoning in animals
rodenticides
rodent infestation in desert steppe of Inner Mongolia
rodent infestation in farmland of Central China
rodent infestation in meadow steppe of Inner Mongolia
rodent monitoring in croplands
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