The time of follow –up was eighteen months.The scale of PANSS and SDSS were used.The rate of recurrence, rehospitalization and employment was researched.

采用PANSS量，功能缺陷筛选量（SDSS）等进行评定，并统计两组的就业率及复发率。

Abstract: This paper discusses the mission of developing a silviculture DSS system for small forests owners, and designs and builds a SDSS based on silviculture plans and economic analysis.

摘 要： 本文讨论了建立生丰产林营林经济分析辅助决策统的目的和意义，重点阐述了统的架构设计和统的分析与设计。