Reed Catkins 芦花
Flowers fall and catkins fly 落花飞絮
When reed catkins are white 芦花翻白时
Flying Catkins 絮弥翠微
Digital camera was used to capture the image of catkin with ruler in this method,and AutoCAD software was used to get poly-line which was the same length as the catkin.
其原理是利用数码相机获取带有刻度直尺的葇荑花序图像,利用AutoCAD软件对图像进行处理获得与花序相同长度的折线,测得折线长度即为花序长度。
参考来源 - 应用AutoCAD测定板栗葇荑花序长度的新方法·2,447,543篇论文数据，部分数据来源于NoteExpress
N-COUNT A catkin is a long, thin, soft flower that hangs on some trees, for example birch trees and hazel trees. 柔荑花序
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