木质部射线的英文
发音:
"木质部射线"怎么读用"木质部射线"造句
英文翻译手机版
- wood ray
- "木质部"英文翻译 xylem; hadromestome
- "β射线"英文翻译 beta ray
- "木质部" 英文翻译 : [植物学] xylem; hadromestome
- "初生木质部" 英文翻译 : primary xylem; primery xylem; protoxylem
- "次生木质部" 英文翻译 : metaxylem; secondary xylem; secondary wood; secondaryxylem
- "后生木质部" 英文翻译 : deutoxylem; metaxylem
- "脊木质部" 英文翻译 : carinal xylem
- "类木质部的" 英文翻译 : xyloid
- "离心木质部" 英文翻译 : centrifugal xylem
- "木质部(木材)" 英文翻译 : xylem(wood)
- "木质部岛" 英文翻译 : xylem island
- "木质部发生" 英文翻译 : xylogenesis
- "木质部分子" 英文翻译 : xylem element
- "木质部束" 英文翻译 : xylem bundle
- "木质部系统" 英文翻译 : xylem system
- "木质部运输" 英文翻译 : xylem transport
- "木质部汁液" 英文翻译 : xylem sap
- "木质部蛀虫" 英文翻译 : wood borer
- "束间木质部" 英文翻译 : interfascicular xylem
- "束中木质部" 英文翻译 : fascicular xylem
- "双木质部的" 英文翻译 : dixylic
- "无维木质部" 英文翻译 : hadrome
- "向心木质部" 英文翻译 : centripetal xylem
- "原生木质部" 英文翻译 : protoxylem
- "中心木质部" 英文翻译 : juvenile wood
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。
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