順序分組交換
SPX 1.{Sequenced Packet Exchange}. 2. A graphics program for the {Atari} microcomputer. {(ftp://src.doc.ic.ac.uk/computing/systems/atari/umich/Graphics/spx_v18.lzh)}. 3. {Simplex}. (1997-03-04) spx The {filename extension} for {Screen Peace} eXtension files. (1995-03-14)