甜菜根的初生组织在伸长区下方已开始逐渐分化。
The level of differentiation of the primary tissue located where below the elongation region.
中柱包括从原形成层衍生而来的全部初生组织，由中柱鞘、韧质部和木质部组成。
The stele includes all primary tissues derived from the procambium consists of pericycle, phloem and xylem .
中柱包括从原形成层衍生而来的全部初生组织，由中柱鞘、韧质部和木质部组成。
The stele includes all primary tissues derived from the procambium consists of pericycle, phloem and xylem.
此外，进行这种转换的组织必须习惯崭新的工作方式，因此，最初生产力可能减少。
Furthermore, organizations that make such a transformation must get used to brand new ways of working, so initially, productivity will likely decrease.
初生合点吸器沿着胚珠的维管组织分支。
The primary chalazal haustorium ramifies around the vascular tissues of the ovule.
初生维管组织由原形成层发育而来，在所有维管植物中都有存在。
Primary vascular tissue, which is found in all vascular plants, is formed from the procambium.
初生木质部与初生韧皮部之间可见到2—3层排列规则或不规则的薄壁组织细胞，但是没有维管形成层的发生。
Between primary xylem and primary phloem there are 2-3 layers of parenchymatous cells, regularly or irregularly arranged, but no cambial zone can be recognized.
研究了在非稳态条件下，搅拌铸造工艺参数对ZA27合金的凝固过程及初生相组织形貌转变的影响。
The effects of casting process parameters on transformational behavior of primary nondendrite phase and solidification process of ZA27 alloy in stirring are investigated under transient condition.
根尖的初生分生组织可扩大到伸长区下方一段距离。
The primary meristem of the root tip may be extended a section of distance below the elongation region.
结果表明：不同直径大小的横走侧根均由周皮、次生维管组织和四原型的初生木质部构成。
The results showed that all the cross branch roots of different sizes consisted of periderm, secondary vascular tissue and tetrarch primary xylem.
研究利用低压脉冲电场技术制备的AZ91D镁合金在部分重熔过程中的组织演变，考察加热温度和保温时间对不同脉冲电压制备的AZ91D合金初生相形态和尺寸的影响。
The non-dendritic semi-solid magnesium alloy AZ91D is prepared by reheating the AZ91D alloy treated by low-voltage electric current pulse(LVECP) technique.
随着熔体过热温度的升高， 凝固组织中初生硅形状由多边形向星形及树枝状转变。
At higher overheating temperature, the shape of primary silicon becomes the star-shape and tree-shape.
随着熔体过热温度的升高， 凝固组织中初生硅形状由多边形向星形及树枝状转变。
At higher overheating temperature, the shape of primary silicon becomes the star-shape and tree-shape.
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