Also known as Piasecki PA-97 Heli-Stat
experimental helicopter/airship by Piasecki Aircraft
via Wikidata · CC0
皮亞塞茨基PA-97是一款由皮亞塞茨基公司製造的飛船，由四架直升機提供動力，首次試飛便墜毀。
Abstract from DBpedia / Wikipedia · CC BY-SA
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).