查询词典 stems
- 与 stems 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Shrubs climbing. Stems terete to slightly complanate, striate, densely yellow-brown villous.
攀援灌木茎圆柱状到稍扁平,具条纹的,浓密黄褐色具长柔毛。
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Morphologically, the two hexaploids are characterized by the general gigantic appearance, diagnostic of the enhancing growth in horizontal direction of such organs as leaves, stems, various compone...
它们在减数分裂时的单价体数目比三倍体显著地减少了,但另外却有少量三价体和四价体出现。
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I t applies to natural regrowth from living roots or coppiced stems as well as artificial regrownth in the laboratory.
它适用于根和短茎的自然再生,也适应于实验室中的人工再生。
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Objective: The contents of 14 trace elements of stems and leaves in Coriandrum sativum have been detected respectively by ICP—AES.
目的:应用电感耦合等离子体发射光谱法测定了芫荽茎与叶中14种无机元素的含量。
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Inflorescence corymbiform, umbel-like, of several to numerous elongate cincinni aggregated into inflorescence at apex of main stems and branches.
花序伞房花序状,象伞形花序一样,数个到多数拉长聚生进花序在先端的主茎和分枝。
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Stems quadrangular, lightly grooved to nearly winged, glabrous or white crisped hairy.
四棱的茎,轻而易举具凹槽对近具翅,或白色使卷曲有毛。
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Stems, branchlets, and inflorescences crisped pubescent; apex of inner sepals mucronate to acuminate; capsule broadly winged
茎,小枝和花序皱波状的短柔毛;内部萼片短尖到渐尖的先端;蒴果具宽翅 19
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At present, regeneration system of cotyledons, hypocotyls, and stems, protoplasts and cotyledons codes have been established among Cucurbitaceae. There are several methods of transformation, such as agrobacteria -medidated genetic, particle gun, pollen tube passage, DNA soaking, ovary embryonary sac injection. Transgenic is tending to antivirotic and delayed maturity. Selection marker used often is NPT II.
目前,在葫芦科植物中已建立了子叶、茎尖、胚轴、茎段、原生质体和子叶节等的再生体系;用于遗传转化的方法有农杆菌介导法、基因枪法、花粉管通道法、DNA浸泡法等;用于转化的目的基因多为抗病毒病基因和延迟成熟的基因;NPTII基因为最常用的筛选标记基因。
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Leaves radical from vegetative stem, solitary from flowering stems, curvinerved.
叶在营养体茎上基生,在开花茎上单生,具曲叶脉。
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"Dodder:any of various leafless, annual parasitic herb s of the genus Cuscuta that lack chlorophyll and have slender, twining, yellow or reddish stems and small whitish flowers."
菟丝子:菟丝子属植物一年生无叶寄生草本植物菟丝子属,缺少叶绿素,有细长蜷曲黄色或浅红色茎,开白色小花。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。