英语语法分析

There are some sclerenchymatous cells outside the phloem of each vascular bundle to increase the supporting force of the petiole.

每个维管束的韧皮部外面有数层厚壁细胞，增加叶柄的机械支持作用。

Compared with inundatory condition, aerobic condition retarded the formation of aerenchyma of hybrid rice roots and made the cortex sclerenchymatous cells array loosely in conventional japonica root.

与淹水条件相比，旱作条件下杂交稻根通气组织形成较迟，常规粳稻根皮层厚壁细胞排列较疏松。