弦切面上木射线与轴向薄壁组织形状、大小均不相同；

The shape and size of wood ray is different form that of longitudinal parenchyma;

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物理性能：单散孔，含树胶沉积物，侵填体丰富，导管与射线间纹孔小，轴向薄壁组织为傍管型，主为聚翼状，带状也常见。

Physical properties: a single scattering holes, including gum sediments, tylosis rich, catheter and ray pits between small, axial parenchyma as paratracheal type, main poly of, ribbon is also common.

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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.

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