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曝光量基准
释义
曝光量基准
Encyclopedia
工学
光度计量
释
primary standard of luminous exposure
曝光量基准
复现曝光量单位量值的装置。可用以评价感光材料的的感光特性,并传递曝光量量值,校准各级曝光测量仪器。
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peasant movement training institute
Peasant Not Knowing Theatre
Peasants’ Uprising in Late Sui Dynasty
peasant uprising army coinage
Peasant War towards the End of the Tang Dynasty
peasant-worker
Peasant’s Uprising in Canudos
peat
peatification
peatland
peat mosses
Peat soil
peat soil microbes
pea weevil
pebble mill
pebble tool tradition in Southern China
P. E. Bezier
pebibyte 250
PEC
pecan
P. E. Cartier
P. E. Cartier (1932—)
Peccei-Quinn theory
Pecci-Quinn symmetry
Pecham
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