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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