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试谈安全系统工程及其特点………高春山(个23) ·专 论·统筹网络图的构图与简化—………·周文安(4-30)扩大再生产理论中两条客观规律的数学证明 广西平果铝土矿开发的数学模型和计算实践…… ··’·’··”’……’…………·‘……’…’·‘“周方(卫-l)…………………
Discuss safety system engineering and its characteristics ......... Gao Chun-shan (Article 23) · Monograph · Composition and Simplification of Co-ordination Network Diagram - ......... · Zhou Wen’an (4-30) Expansion of Two Objective Laws in Reproduction Theory Prove the development of Guangxi Pingguo bauxite mathematical model and calculation of practice ... ... ... ... ... ... ............ ... ... ...... ..................