Exarch Denoting a stele in which the metaxylem develops to the inside of the protoxylem.
外始式:指后生木质部在原生木质部之内的中柱类型.
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The discovery of an epigenetic component to PAH may offer new therapeutic targets.
PAH后生调控成分的发现可能成为新的治疗靶点.
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From this union was born Aeneas, the mythical ancestor of the Roman people.
他们结合后生下艾尼阿斯, 他是神话中说的罗马人的祖先.
英汉非文学 - 百科语料821
Gene silencing is a kind of epigenetic phenomenon discovered in transgenic plants in recent years.
摘要基因沉默是近几年来在转基因植物中发现的一种后生遗传现象.
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It has an important significance for researching the evolution of the Early Metabiota of Cambrian.
时代为早寒武世末期,介于著名的早寒武世早期澄江动物群和中寒武世早期凯里动物群之间,对于早期后生动物的演化研究具有重要的意义.
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它是指通过物理化学手段来发现后生地球化学异常的找矿方法.
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Nobody grows old merely by a number of years , we grow old by deserting our ideals.
二十后生有之,六旬男子则更多见.
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Several Metazoan! I would like to ask the mountain toward the river side is what?
“几位后生! 请问那座山向著大河的一面是个什麽样子? ”.
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The young man blushed and smiled shyly yet again, turning his clear eyes away.
后生红着脸又憨憨地笑了, 清澈的大眼躲着他.
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When the greeny pulled on the leash, a chamber pot slid into view.
当后生拉动皮带时, 另一端却露出了——只夜壶来.
英汉非文学 - 民俗
这是许多老一辈书家们对我们后生的殷切期望.
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大多数迁移鱼类（如鲑鱼和鲱鱼）是溯河产卵种群。它们在淡水产卵，成年后生活在咸水中。
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