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单词
rousseau diagram
释义
Rousseau diagram
Rousseau diagram
[
rü‚sō ′dī·ə‚gram
]
(optics)
A geometric construction used to determine the total luminous flux of a lamp from a number of polar diagrams which give the effective luminous intensity of the lamp in various directions.
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更新时间:2026/7/21 9:29:52