Jisho

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おんきょうそくていかん 音響測定艦
Noun
1. ocean surveillance ship
Wikipedia definition
2. Stalwart class ocean surveillance shipStalwart class auxiliary general ocean surveillance ships were a class of United States Naval Ship (USNS) auxiliary support Ocean Surveillance Ships commissioned between April 1984 and January 1990. Their original purpose was to collect underwater acoustical information using the Surveillance Towed Array Sensor System (SURTASS), a towed array passive sonar.
Read “Stalwart class ocean surveillance ship” on English Wikipedia
Read “音響測定艦” on Japanese Wikipedia
Read “Stalwart class ocean surveillance ship” on DBpedia

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