轴向系统由筛胞、韧皮薄壁组织细胞、蛋白细胞和韧皮纤维组成，径向系统由韧皮射线组成。
In the axial systems, the phloem consists of sieve cells, phloem parenchyma cells, albuminous cell and phloem fibers. In the radial systems, it consists of phloem rays.
红树植物导管数量多、管孔小、机械组织为韧型纤维，薄壁组织次生加厚明显是适应环境的特征。
Many vessel numbers, small pore, libriform fibres (mechanical tissue)and obvious secondary thickening of xylem tissue are the features of adaptation to the environment.
摘要：匀浆辊是辊面有规则分布圆孔的中空薄壁辊筒，利用这些圆孔的效能阻以及浆流通过圆孔时产生的微湍来达到整流、分散纤维的目的。
Abstract: the rectifier rolls are hollow rolls and there are regular holes on the surface. The winding rectifier rolls are used to keep the velocity evenly and to disperse and perforate fiber.
开花时，花药壁由表皮和几层薄壁细胞以及径向壁纤维加厚的变形细胞组成。
At anthesis, the mature anther wall included epidermis and some layers of parenchymal cells and several layers of endothecium cells with an evidently thickened radial wall.
开花时，花药壁由表皮和几层薄壁细胞以及径向壁纤维加厚的变形细胞组成。
At anthesis, the mature anther wall included epidermis and some layers of parenchymal cells and several layers of endothecium cells with an evidently thickened radial wall.
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