stem axis的例句大全

It'stretches from the leaf base to the vascular ring in the stem axis.

它由叶子基部的维管束延伸至茎轴的维管束.

The collenchyma ( corner-thickeneded cells) in the central axis of stem and sclerenchyma in cortex of stem have well developed in Grimmia laevigata ( Brid) Brid.

在阔叶紫萼藓（Grimmialaevigata（Brid）Brid）茎的中轴部，厚角组织发达，数层皮部厚壁组织也很发达。

Mesenchymal stem cells promote the migration and proliferation of Saos-2 cells through CCL5/ CCR5 axis

间充质干细胞通过CCL5/CCR5信号途径促进骨肉瘤Saos-2细胞迁移和生长

Stem A longitudinal axis upon which are borne the leaves and reproductive organs of the plant.

一种小形的、腐生的林地植物,植物体蜡白色或粉白色,有鳞状叶,花下垂;植物体干时变黑.

The closing valve stem and valve seat sealing surface axis vertical.

截止阀的阀杆轴线与阀座密封面垂直.