vascular layer的意思|示意

Results the manifold layer of vascular plexus around the throat and weasand was designed successfully, the structure exhibition was clear, and the appearance was delicate.

结果成功设计出喉、气管周围血管网多层构筑，结构展示较清晰，外观较精美。

Procambium (procambium strand) The layer of cells that gives rise to the vascular tissue.

原形成层（原形成层束）：形成维管组织的一层细胞。

The cuticles of most vascular plants are covered with a thin layer of largely hydrophobic constituents.

大部分维管囊植物的角质层都被有薄薄一层很疏水的成分。