【Asamethodofspanningspace,thearchcansupportgreaterweightthanahorizontalbeam.Itworksincompressiontodiverttheweightaboveitouttothesides,wheretheweightisbornebytheverticalelementsoneithersideofthearch.Thearchwor】
Asamethodofspanningspace,thearchcansupportgreaterweightthanahorizontalbeam.Itworksincompressiontodiverttheweightaboveitouttothesides,wheretheweightisbornebytheverticalelementsoneithersideofthearch.
Thearchworkedbydistributingthestructuralofabuildingtowardthecenterofthearch.
但是,原文说的是将重量分散到四周,为什么选这个?