略語大辞典 [Bld] 43 GIA geo-integrated amenity (日本の)地下快適都市.geo-integrated amenity; e.g. an under-ground multi-purpose complex amenity area in the Aoyama district of Tokyo; by Hazama-gumi Co.; ref. SG(small GIA), 10m underground; MG(middle GIA), 50m underground; LG(large GIA) deeper underground; (J 丸善「略語大辞典」JLogosID : 11875952