derivation
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n. 引出；来历；词源；派生词
n.
引出，导出；衍生，衍生物；[语]词源，派生；出处，由来，起源
变形
复数：derivations
英英释义
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
同义词：derivingetymologizing
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
同义词：ancestrylineagefiliation
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
词组短语
theoretical derivation理论推导
双语例句
用作名词(n.)
As in Arabic and Hebrew, Esperanto makes up most of its vocabulary through derivation from invariable roots.
同阿拉伯语和希伯来语一样，世界语通过在不变的词根上派生出大多数的词汇。
Every sentence has a canonical derivation.
每个句子都有一个规范推导。
Our derivation lacks rigour in this regard.
我们的推导在这方面是不严格的。
The derivation of the poem isn't confirmed.
这首诗出处不详。
The custom is of Scottish derivation.
这种风俗起源于苏格兰。
权威例句
Derivation by phaseDerivation of pluripotent epiblast stem cells from mammalian embryos.
Derivation of pluripotent stem cells from cultured human primordial germ cells
Derivation of some modern arc magmas by melting of young subducted lithosphere
Derivation of pluripotential embryonic stem cells from murine primordial germ cells in culture.
Derivation and prospective validation of a simple index for prediction of cardiac risk of major noncardiac surgery
Derivation of pluripotent stem cells from cultured human primordial germ cells [published erratum appears in Proc Natl Acad Sci U S ...
Functional dissection of the HIV-1 Rev trans-activator--derivation of a trans-dominant repressor of Rev function.
Predicting Mortality Among Patients Hospitalized for Heart Failure: Derivation and Validation of a Clinical Model
Defining community acquired pneumonia severity on presentation to hospital: an international derivation and validation study
derivation (n.)
early 15c., from Middle French dérivation (14c.), from Latin derivationem (nominative derivatio) "a leading off, turning away," noun of action from past participle stem of derivare (see derive). Grammatical sense is older; general meaning "origination, descent" is from c. 1600.
1. leftmost derivation
最左端导出式
-- 来源 -- 英汉 - 翻译参考[网络]
2. inner derivation
内部求导
-- 来源 -- 英汉 - 翻译参考[网络]
3. derivation calculus
求导演算
-- 来源 -- 英汉 - 翻译参考[网络]
4. canonical derivation
典范求导
-- 来源 -- 英汉 - 翻译参考[网络]
5. derivation rule
推导规则
-- 来源 -- 英汉 - 翻译参考[网络]
6. theoretical derivation
理论推导
-- 来源 -- 英汉 - 翻译参考[网络]
7. derivation tree
导出树|派生树
-- 来源 -- 英汉 - 翻译参考[网络]
8. invariant derivation
不变微分
-- 来源 -- 英汉 - 翻译参考[网络]
9. derivation; descendent
派生物
-- 来源 -- 英汉 - 翻译参考[网络]
10. higher derivation
高阶求导
-- 来源 -- 英汉 - 翻译参考[网络]
derivation
