英语词汇“preformation”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

是什么意思

预先形成；

英英释义

preformation[ ,pri:f?:'mei??n ]

n.a theory (popular in the 18th century and now discredited) that an individual develops by simple enlargement of a tiny fully formed organism (a homunculus) that exists in the germ cell
同义词：theory of preformation

学习怎么用

权威例句

Preformation
Cluster preformation as barrier penetrability
Organ preformation in mayapple as a mechanism for historical effects on demography.
$\alpha$ particle preformation in heavy nuclei and penetration probability
Preformation or Epigenesis?. (Book Reviews: Oogenesis. The storage of developmental information)
Extreme preformation in alpine Polygonum viviparum: an architectural and developmental analysis.
Mechanisms of metazoan germ cell specification: epigenesis and preformation
Mechanisms of germ cell specification across the metazoans: epigenesis and preformation.
Theories in early embryology: close connections between epigenesis, preformationism, and self-organization
Crown architecture of Larix laricina saplings: shoot preformation and neoformation and their relationships to shoot vigour

单词	preformation
释义	preformation 听听怎么读英 [?pri:f?:'me???n] 美 [?prif?'me???n] 是什么意思 n. 预先形成；英英释义 preformation[ ,pri:f?:'mei??n ] n.a theory (popular in the 18th century and now discredited) that an individual develops by simple enlargement of a tiny fully formed organism (a homunculus) that exists in the germ cell 同义词：theory of preformation 学习怎么用权威例句 Preformation Cluster preformation as barrier penetrability Organ preformation in mayapple as a mechanism for historical effects on demography. $\alpha$ particle preformation in heavy nuclei and penetration probability Preformation or Epigenesis?. (Book Reviews: Oogenesis. The storage of developmental information) Extreme preformation in alpine Polygonum viviparum: an architectural and developmental analysis. Mechanisms of metazoan germ cell specification: epigenesis and preformation Mechanisms of germ cell specification across the metazoans: epigenesis and preformation. Theories in early embryology: close connections between epigenesis, preformationism, and self-organization Crown architecture of Larix laricina saplings: shoot preformation and neoformation and their relationships to shoot vigour
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