go top

## derivation 英 [ˌderɪˈveɪʃn] 美 [ˌderɪˈveɪʃn]

• n. 起源；推导；词源，派生词；导数

[ 复数 derivations ]

### 网络释义专业释义英英释义

[数] 求导

[科技] 派生

引出

derivation block 微分单元

theoretical derivation 理论推导 ; 理论演绎

leftmost derivation 最左推导 ; [计] 最左派生 ; 最左端导出式 ; 最左导出

Derivation proceeding 溯源诉讼程序 ; 派生程序 ; 溯源程序

derivation key 推衍金钥 ; 衍生金钥

更多收起网络短语
• 分离 - 引用次数：297

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。

参考来源 - 人胚胎干细胞的分离、培养及建系
衍生
诱导;衍生物
• 推导 - 引用次数：91

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。

参考来源 - 特殊路由博弈的调和率研究
• 导子 - 引用次数：202

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。

参考来源 - 量子环面上的斜导子李代数的一类无穷维表示
导数 - 引用次数：5

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。

参考来源 - 有界正则函数导数及系数估计
推导 - 引用次数：4

参考来源 - 复杂网络的统计系综理论及其应用研究
• 衍生 - 引用次数：59

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。

参考来源 - 资产证券化对商业银行和投资银行的影响
• 派生 - 引用次数：39

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。

参考来源 - 极性程度副词研究
推导 - 引用次数：31

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。

参考来源 - 人类语言交际中的“所言”
• 衍生 - 引用次数：38

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。

参考来源 - 液相色谱—大气压电离质谱在单糖和寡糖结构分析中的研究
• 求导
导出

·2,447,543篇论文数据，部分数据来源于NoteExpress

#### derivation [ ,deri'veiʃən ]

• n.
• the source or origin from which something derives (i.e. comes or issues)

"he prefers shoes of Italian derivation"; " music of Turkish derivation"

• (historical linguistics) an explanation of the historical origins of a word or phrase
• a line of reasoning that shows how a conclusion follows logically from accepted propositions
• (descriptive linguistics) the process whereby new words are formed from existing words or bases by affixation: `singer' from `sing'; `undo' from `do'
• inherited properties shared with others of your bloodline
• drawing of fluid or inflammation away from a diseased part of the body
• drawing off water from its main channel as for irrigation
• the act of deriving something or obtaining something from a source or origin

### 柯林斯英汉双解大词典

#### derivation/ˌdɛrɪˈveɪʃən/TEM4( derivations )

• 1.

N-VAR The derivation of something, especially a word, is its origin or source. 根源(尤指词根) [oft N 'of' n, 'of' adj N]

例：

The derivation of its name is obscure.

它名字的根源起源鲜为人知。

• n. 引出；来历；词源

n.

[化学] 衍生物，派生物

v.

vi.

vt.

### 双语例句原声例句权威例句

• Antecedent derivation is an extension of theorem proving.

前件推导定理证明一种扩展

• This word is a derivation. Can you point out its root, prefix and suffix?

一个派生词说出词根前缀后缀吗?。

• And, I will go through the actual line by line derivation not because I want to do derivations in class.

我们仔细讨论实际线推导出来线，并不是节课推导

\$firstVoiceSent
- 来自原声例句