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Blackness
Blackness is an important parameter in the radiometry.
Hing blackness, high brightness, uniform dispersion, strong tinting strength.

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Open the tool →黑度 (hēi dù) means “Emissivity, Blackness”.
黑度 is pronounced hēi dù in Mandarin Chinese.
“Emissivity” is 黑度 (hēi dù) in Chinese.
This page has 2 example sentences using 黑度, each with pinyin and an English translation.