楊世明

Alexandrov定理 : = 平面凸圖形與凸多面體 = Alexandrov theorem : plane convex figure and convex polyhedron / by: 楊世明 (Language materials, printed)

Tartaglia公式 : = 轉化與化歸 = Tartaglia formula : transformation and reduction / by: 楊世明 (Language materials, printed)

機械設計.. 上,. 機器與機構分析和設計 / by: 楊世明 (Language materials, printed)