亚洲网紅露点

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echelette

[ esh-uh-let, ey-shuh- ]

noun

Spectography.
  1. a diffraction grating designed to reflect infrared radiation.


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亚洲网紅露点 History and Origins

Origin of echelette1

< French 茅肠丑别濒别迟迟别 rack, equivalent to 茅肠丑别濒濒别 ladder ( echelon ) + -ette -ette

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Echegaray y Eizaguirreechelon