同义词 substructure

infrastructure organisation organization structure setup arrangement groundwork frame foundation base box material skeleton assembly basis bed chassis core corpus crux essence fuselage gist hull majority mass matter pith staple substance sum tenor total trunk whole gravamen main part development readiness construction education establishment formation measure plan precaution preparedness qualification rehearsal study training alertness anticipation background evolution expectation fitting foresight gestation homework incubation manufacture provision readying rundown safeguard schoolwork tryout workout build-up dry run getting ready lead time making ready preparing putting in order

ground support basement bedrock bottom foot footing pedestal rest root seat seating stand substratum underpinning

cellar storage vault crypt excavation understructure furnace room subterranean room underbuilding

physical foundation resting place

belly floor underside depths nadir pediment sole underbelly deepest part lowest part nether portion terra firma underneath

foothold installation settlement warrant

authority ABCs basics guts heart justification nitty-gritty nub prop reason stay bottom line brass tacks nuts and bolts

podium mounting platform plinth

backing abutment agency back bedding block brace buttress collar column cornerstone device flotation fulcrum guide hold lining means medium pillar pole post rampart reinforcement rib rod shore stake stanchion stave stiffener stilt sustentation timber

fundament fundamental