resinous

The key of the algorithm is to create an enclosure tree data structure for contour map and then transform the enclosure tree to contour fr.

该算法的核心是生成一种称为包含树的数据结构 ,然后利用这种数据结构转换成等高线自由树 ,从而实现对等高线高程的自动标定和检验 。

Some resin containing cells are present in parenchym of cortex in shoot apex and xylem parenchym of stem in Pinus tabulaeformis .

油松茎端的皮层薄壁组织和幼茎木薄壁组织中具含树脂细胞分布。