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Ballonsonde f =, -n
gen.	balloon probe
astr.	recording balloon; test balloon; air-sonde
hi.energ.	balloon
meas.inst.	balloon sonde; registering balloon
med.	ball-catheter; ball-probe
paraglid.	pilot balloon
phys.	sounding balloon

Ballonsonde: 6 phrases in 2 subjects

High energy physics	4
Medical	2