instrument used to measure the index of refraction of colour
Resimler
История
- instrument used to measure the index of ..
- the sum of two terms, such as (2x 3) or ..
- to contrive in purpose; to scheme; to de..
- meteorology, science of atmospheric cond..
- having supreme power over a given area; ..
- a genetic source of bad behavior or othe..
- the main unit of a computer or hi-fi sys..
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