radiosonde
radiosonde[ˈreɪdɪəʊˌsɒnd]noun- (dated)an instrument carried by balloon or other means to various levels of the atmosphere and transmitting measurements by radio
(旧)无线电高空测候器,无线电探空仪
语源- 1930s: from radio- (relating to broadcasting) + German Sonde 'probe'
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