Gas bubbles coalesce to grow as they rise.氣泡在上升中聚集成長.Cities, if unrestricted, tend to coalesce into bigger and bigger conurbations...如果不加限制，城市往往會聯合發展成越來越大的集合城市。Cities, if unrestricted, tend to coalesce into bigger and bi...
Cities, if unrestricted, tend to coalesce into bigger and bigger conurbations.如果不加限制，城市往往會聯合發展成越來越大的集合城市。Gas bubbles coalesce to grow as they rise.氣泡在上升中聚集成長.Particles do not coalesce with other particles.顆粒之間互不聚合....