derivation

音标发音

• 英式音标 [ˌder.ɪˈveɪ.ʃən]
• 美式音标 [ˌder.əˈveɪ.ʃən]
• 国际音标 [,deri'veiʃən]
• 英式发音
• 美式发音

基本解释

• n.派生；推导；来历
• 衍生物；导数.

同根派生

• adj性质的同根词

  derivative：派生的；引出的。

  derived：导出的；衍生的，派生的。

  derivational：得来的；诱导的。

  derivable：可诱导的；可推论的；可引出的。

• n性质的同根词

  derivative：[化学]衍生物，派生物。

• v性质的同根词

  derived：得到；推断（derive的过去分词）；由…而来。

• vi性质的同根词

  derive：起源。

• vt性质的同根词

  derive：源于；得自。

• derivation相关词

英汉例句

• a word of Greek derivation
  由希腊语派生的词
• The custom is of Scottish derivation.
  这风俗起源于苏格兰.
• The derivation of its name is obscure.
  其名字的由来鲜为人知。
• a word of Greek derivation
  由希腊语派生的词
• The custom is of Scottish derivation.
  这风俗起源于苏格兰.

• derivation更多例句

词组短语

短语

• derivation conduit 引水道
• derivation block 微分单元
• derivation step 推导步
• theoretical derivation 理论推导
• leftmost derivation 最左推导;[计]最左派生;最左端导出式;最左导出

• derivation更多词组

英英字典

剑桥英英字典

• the origin of something, such as a word, from which another form has developed, or the new form itself

柯林斯英英字典

• The derivation of something, especially a word, is its origin or source.

• derivation剑桥字典
• derivation柯林斯字典

专业释义

生物学

• 分离

  Results.1 Derivation and cultivation of hES cellsWe obtained 9 blastocysts from frozen thawed human cleavage stage embry-os,and 7 ICM were isolated by immunosurgery,and established two human era- bryonic stem cell lines.
  结果一、hES的分离与培养1.20个解冻卵裂期胚胎,获得9个囊胚,分出完整的内细胞团共7个,从7个内细胞团培养出2个胚胎干细胞系。

• 衍生
• 诱导;衍生物

计算机科学技术

• 推导

  The variational inequality model is established to describe the selfish routing with oblivious users. The upper bound of price of anarchy is derived by analytic derivation.
  建立刻画含刻板用户的Wardrop路由博弈的变分不等式模型，运用解析推导方法得到对应路由博弈调和率的上界。

  数学

• 导子

  We describe the results as follows:In chapter one,we recall the notion of skew derivation Lie algebra.
  全文分三章:在第一章,我们先引入斜导子李代数的概念。

• 导数

  In second chapter, we discuss the problems of estimating in the derivation of bounded functions.
  第二章研究有界正则函数导数的估计问题。

• 推导

经济学

• 衍生

  Asset Backed Securities (ABS), as an important derivation of financial tool, has great potentiality in international capital market.
  资产证券化 (ABS)作为一种重要的金融衍生工具 ,在国际资本市场上有着巨大的发展潜力。

  语言学

• 派生

  Obviously, the development of the highest degree adverbs manifests the laws of grammaticalization: accumulation and supplanting, derivation and division, conservativeness and imbalance.
  可见，极性程度副词的发展完全体现了累积与排挤、派生与分化、保守性与不平衡性的演化规律。

• 推导

  The current research is targeted at defining "what is said" and the mechanism for its derivation. On the basis of this definition,categories of utterance meaning are to be made and related notions such as reference,intention,truth,proposition are expounded.
  本研究的对象是“所言”及其推导机制,并在此基础上划分话语意义的类别,确定指称、意向性、真值、命题等概念。

  化学

• 衍生

  The relative aboundance of fragment ions of adduct ions are quite different from each other. On the basis the sugar epimers are distinguished without derivation.
  产主的加合离子的碎片峰相对丰度的差别，不经衍生化，可直接区分糖的差相异构体。

  机械工程

• 求导
• 导出