樹

圖形的定向-k-優美標號 = = The oriented-k-graceful labelings of graphs / by: (Language materials, printed)

樹狀路由網路晶片之設計與實作 = = Design and Implementation of A Tree-based Routing Switch for On-Chip-Networks / by: (Language materials, printed)

樹林中的祕密 / by: (Language materials, printed)

小牛頓 / . 151 by: (Language materials, printed)

世界之樹 : = 孕育地球生命的樹木圖鑑 / by: (Language materials, printed)

小牛頓 / . 129 by: (Language materials, printed)

圓圈

死結預防

路由器

雲

火災

定向-2-優美

聯集

鸕鶿

威爾遜天文臺

嘴唇容易乾裂

昆蟲

眼鏡

不規則網路

森林

定向-3-優美

定向-4-優美

候鳥

指甲屑

樹