ty -jour au -burgin,Mark Py -2002 DA -1900/01/01 Ti-超元和外部功能理论:功能空间和差异SP -786852 VL -7 AB -7 AB -SN -1026-0226 UR -HTTPS -https:// https:// doi https:// doi.org/10.1080/1026022021000001472 do -10.1080/1026022021000001472 JF-自然与社会中的离散动态PB -Hindawi Publishing Corporation kw -er -er-