英语语法分析

The crystals exist in parenchyma cells of its petioles. Its petioles have big vessels and much aerenchyma.

叶柄薄壁细胞存在晶体，叶柄的导管管径比较大，有大量的通气组织。

The results showed that root aerenchyma tissue increased in water-stressed plants of both cultivars fed by nitrate.

结果表明施用硝酸盐，水分胁迫致使两个水稻品种通气组织增加。

Anatomical observation of aerenchyma helps understand the growth, distribution, and adaptation of wetland plants to different habitats.

对通气组织的解剖观察有助于了解湿地植物的生长、分布及对不同生境的适应。