reticulate perforation 中文意思是什麼
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Wood semi - ring - porous ; vessels solitary with angular outline ; perforation plates reticulate and scalariform ; intervessel pits and vessel - ray pitting alternate ; helical thickenings throughout body of vessel elements
單管孔，散生；整個導管分子上具螺紋加厚。網狀和梯狀穿孔。
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