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akustische Signale
gen.	sound signals
akustisches Signal
gen.	alarm message; audible indicator; audible signal
commun.	sound signal
comp.	acoustic signal; audiosignal
transp.	audible warning device
transp., avia.	aural signal
akustische Signal
biol.	sound signal

akustische Signale: 3 phrases in 2 subjects

General	1
Physics	2