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optical path length
nat.sc.	Weglänge f; optische Weglänge
opt.	Lichtweg m (through the instrument); optische reduzierte Weglänge (through the instrument)
radio	Phasenweglänge f
tech.	Lichtweglänge f

optical path length: 5 phrases in 1 subject

Optics branch of physics

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