Anh
geophone
geotector
seismograph
seismometer
Đức
Erdhörer
Geophon
Pháp
sismometre
geophone,geotector,seismograph,seismometer /SCIENCE,ENERGY-MINING/
[DE] Erdhörer; Geophon
[EN] geophone; geotector; seismograph; seismometer
[FR] geophone; sismometre