{"id":"S85000595","label":"Acoustic velocity meters","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85000595","normalized_label":"acoustic velocity meters","broader":["http://id.loc.gov/authorities/subjects/sh85049289"],"aliases":["Sonic velocity flow meters"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85000595","provider":"lcsh","revision":"c758dd8d4033dd66","taxonomy_revision":"f050b5d4780b1289","title":"Acoustic velocity meters","url":"/topics/S85000595","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864845060083156544","address_version":"morton4x16-v1","coordinates":[0,20,17414,19456],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}