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次生结构的英文

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"次生结构"怎么读用"次生结构"造句

英文翻译手机手机版

  • secondary structure

例句与用法

  • We have observed the following characteristics of anatomical structure and development : ( 1 ) the primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder ; ( 2 ) the root endodermis consists of thicken casparian strips , and there are from two lo four layers parenchyma cells near the pericycle ; ( 3 ) the pith and resins canals are absent in the toots ; ( 4 ) secondary structure occurs in the root hair zone , and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem ; ( 5 ) tanning materials are abundant in pericycle cells and phelloderm cells ; ( 6 ) sclereids are found in secondary phloem , and rays are rather rich in secondary xylem
    结果表明:气生不定根具有以下结构特征和发育特点: ( 1 )根为二原型,侧根正对着木质部发生; ( 2 )幼根内皮层细胞具凯氏带加厚,维管柱内紧挨中柱鞘内侧具有2 ~ 4层大型薄壁细胞; ( 2 )根中无髓和树脂道; ( 4 )次生结构发生于根毛区,维管形成层由初生木质部和初生韧皮部之间的薄壁细胞转化形成; ( 5 )中柱鞘和栓内层细胞富含单宁类物质; ( 6 )次生韧皮部有石细胞,次生木质部射线发达。
  • Results essential oil was not found in the promeristem of stem ; in the primary meristem of stem and the early stage of stem ' s primary structure , the essential oil was mainly distributed in glandular hairs ; in the primary structure of stem , the essential oil was mainly distributed in cortex parenchyma cells ; in the secondary structure of stem , the essential oil was mainly distributed in remaining cortex parenchyma cell
    结果在广藿香茎的原分生组织中,未观察到有挥发油分布;在茎的初生、分生组织和初生结构形成早期,挥发油主要分布在茎表皮上着生的腺毛中;在茎的初生结构中,挥发油主要分布在皮层薄壁组织细胞中;在茎的次生结构中,挥发油则主要分布在残存的皮层薄壁组织细胞中。
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