扩散成本
扩散成本-
由于扩散成本的存在，导致了城市扩散的不经济，这种扩散不经济形成一种反驱力，驱动各种资源要素向城市新一轮聚集。
For the cost of diffusion , leading to diseconomies of diffusion . The diseconomies of diffusion form a counter-drive , drive various resources and elements together to city again .
-
另外，采用铂扩散工艺成本较低，适合大批量生产。
In addition , platinum diffusion is suitable for large quantity production because of low cost .
-
海底管线溢油在水体中的运移扩散过程研究低成本基板倒装焊底充胶分层裂缝扩展研究
The Study of the Spread and Diffusion Process of Oil Spilled from Seabed Pipeline ; Underfill Delamination of Flip Chip on Low-Cost Board