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单词
flash factor
释义
flash factor
noun
:
a number characteristic of a given photoflash lamp and a given film speed that when divided by the distance in feet between the lamp and the subject indicates the correct f-number for that distance
随便看
RVA
r-value
RVer
RVSVP
rw
rw
RW
rwala
rwanda
rwandan
rwy
Rx
RX
ry
ry
-ry
rya
ryal
ryal
ryania
ryanodine
rydberg
rydberg
rydberg constant
rydberg unit
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更新时间:2025/12/19 4:10:35