1、Palisade tissue is rich in saliferous vacuoles, while vascular bundle sheath is obvious.
柵欄組織富含含鹽液泡泡，維管束鞘明顯。

2、The structures of vascular bundle and leaf margin were also different.
此外，兩個種的維管束結構及葉緣結構等也有很大的差異。

3、The vascular bundle consists of vascular bundle sheath, xylem, phloem and big parenchymatous cells.
維管束由維管束鞘、木質(zhì)部、韌皮部和大型薄壁細胞組成。

vascular bundle翻譯