fern leaf [植保] 蕨叶病 ; 蕨叶 ; 丰力富
fern leaf crystal 锯齿状晶体
Shearer's Felt Fern Leaf 庐山石韦 ; 石韦─庐山石韦
Japanese Felt Fern leaf 石韦 ; 肺心草
Fern-leaf Aralia 富贵木
Fern-leaf Hedge Bamboo under Moonlight 月光下的凤尾竹
fern leaf yarrow 黄花锯叶草
fern leaf Motel 弗恩利夫汽车旅馆
Look at a fern leaf, a cauliflower, and a magnified snowflake to see this distribution of sizes graphically.
看看蕨叶、菜花和放大的雪花，我们能从图形上看到尺寸的分布。
And builds some mathematics models. Using these models and methods, some nature scenes are simulated successfully, for example: terrain, tree, leaf and fern etc.
利用以上方法，建立一些描述具体自然对象的数学模型，成功地模拟了山峦、树木、树叶和蕨类等自然景物。
The lotus leaf fern Adiantum growth conditions of the study also stay in more qualitative analysis.
对于荷叶铁线蕨生长条件的研究也多停留在定性分析上。
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