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boring; probing; prospecting by borings or trial pits; sounding; test boring | |||
observation; ozone observation; ozone sounding | |||
probings |
sondering : 15 phrases in 6 subjects |
Earth sciences | 1 |
Electronics | 1 |
General | 1 |
Life sciences | 7 |
Radio | 4 |
Transport | 1 |