derivation

英 [ˌderɪˈveɪʃn]

美 [ˌderɪˈveɪʃn]

n.  (尤指词语的)起源，由来，派生

复数：derivations　

CET6GRETEM8医学

BNC.15834 / COCA.20388

牛津词典

noun

• （尤指词语的）起源，由来，派生
  the origin or development of sth, especially a word
  1. a word of Greek derivation
     由希腊语派生的词

柯林斯词典

• N-VAR 起源;由来;(尤指)词源
  Thederivationof something, especially a word, is its origin or source.
  1. The derivation of its name is obscure...
     其名字的由来鲜为人知。
  2. The word is of old French derivation.
     该词源于古法语。

英英释义

noun

• the act of deriving something or obtaining something from a source or origin
• drawing off water from its main channel as for irrigation
• drawing of fluid or inflammation away from a diseased part of the body
• inherited properties shared with others of your bloodline
  Synonym:ancestrylineagefiliation
• a line of reasoning that shows how a conclusion follows logically from accepted propositions
• (historical linguistics) an explanation of the historical origins of a word or phrase
  Synonym:derivingetymologizing
• the source or origin from which something derives (i.e. comes or issues)
  1. he prefers shoes of Italian derivation
  2. music of Turkish derivation
• (descriptive linguistics) the process whereby new words are formed from existing words or bases by affixation
  1. `singer' from `sing' or `undo' from `do' are examples of derivations

双语例句

• By a theoretical derivation of BP and RM algorithms, the algorithms are the same on principle.
  通过对BP算法和RM算法的理论推导，从原理上说明了两种算法的一致性。
• We might add a remark about the derivation of the epochs of the sunspot minima and maxima.
  我们不妨谈谈有关太阳黑子极小和极大期的推导。
• Methods The basic governing equations of quasicrystal elasticity theory and Gauss's theorem were applied in the derivation.
  目的推广经典晶体弹性理论中的几个基本定理到准晶弹性理论中去。
• The concept of void existed in Hindu Philosophy-hence the derivation of a symbol for it.
  空的概念存在于印度哲学里&因此引出了一个相关的符号。
• The word is of old French derivation.
  该词源于古法语。
• The critical reader may feel that there is a certain amount of sleight of hand in this derivation.
  严格的读者可能会觉得在这一推导中使用了一些手法。
• Calculation shows that the theoretical derivation and numerical results are correct.
  计算表明，本文的理论推导是正确的，数值结果是可靠的。
• This paper studies the derivation of a qualitative description for the magnetization curve of saturable magnetic materials.
  本文针对饱和磁性材料，推导其磁化曲线的定性描述。
• A simplified derivation of superconvergent perturbation for quantum system by means of unitary transformation directly are given.
  直接用酉变换给出量子系统超收敛微扰的简化推导。
• The derivation methods of Lorentz transformation according to invariance of light speed and principle of relativity are commented.
  评论了仅仅依据光速不变假设和相对性原理推导洛伦兹变换公式的方法。