derivative是什么意思？

derivative

英[dɪˈrɪvətɪv] 美[dɪˈrɪvətɪv]

• n. [数]导数，微商，[化] 衍生物，派生物，[语]派生词；
• adj. 衍生的，导出的，拷贝的；

复数：derivatives;

例句

• His paintings are really quite derivative. 他的画实在没有创意。
• It is a sort of derivative which disarranges and disconcerts the whole science of etymologists. 这种字的转借法,绝不是字源学家的学问所能解释的.
• It is unscholarly and derivative, and raises a lot of unanswered questions. 它不象学者所写而且是摹仿的, 并且提出很多不能解答的问题.
• It is interesting and enlightening to consider the derivative of a vector. 这对研究矢量的导数来说是重要的,而且富有启发性.
• Estate bona - fide derivative acquisition, which is good for reasonably resolving the inhere burden of bona acquisition. 不动产善意取得的性质为继受取得, 它为有效解决不动产善意取得物上原有负担问题提供了合理解释.
• Fig 3 Excitation and emission spectra of indoles and its derivative in DMSO. 图3吲哚及其衍生物的DMSO溶液的激发和发射光谱.
• They are principally composed of a galactose derivative, galacturonic acid. 主要由半乳糖复合物和乳酸组成.
• FMN ( flavin mononucleotide ) A derivative of riboflavin that is a coenzyme in electron - transfer reactions. 黄素单核苷酸 ( FMN ):核黄素的衍生物,在电子传递反应中是一种辅酶,作为多种脱氢酶的辅助因子起作用.
• Extremal multi - function, multi - function partial derivative method. 多元函数的极值, 多元函数偏导数的求法.
• FAD ( flavin adenine dinucleotide ) A derivative of riboflavin that is a coenzyme in electron - transfer reactions. 黄素腺嘌呤二核苷酸 ( FAD ):核黄素的衍生物,在电子传递反应中是一种辅酶,它作为各种脱氢酶的辅助基团起作用.

同义词

• adj.
  derivative的同义词之：衍生的,派生的
  secondary, borrowed, unoriginal, disguised, lifted, thinly, copied, imitative, warmed-over,
  derivative的同义词之：被引出的
  eductive, derived, inferential, deductive, derivational, secondary, extractive,

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  派生物;衍生物
  A derivative is something which has been developed or obtained from something else.
  例句
  ...a poppy-seed derivative similar to heroin... 类似海洛因的罂粟籽制剂 This isn't an entirely new car, but a new derivative of the Citroen XM. 这不是一款全新的车，而是雪铁龙XM系列的派生车型。
• ADJ-GRADED
  模仿他人的;缺乏创意的
  If you say that something is derivative, you are criticizing it because it is not new or original but has been developed from something else.
  例句
  ...their dull, derivative debut album... 他们沉闷乏味、缺乏创意的首张专辑 A lot of what you see in stand-up comedy today is very derivative. 如今人们看到的单人喜剧表演好多内容都是沿袭前人。

英汉词典释义

• n.
  派生物, 引出物
  Many English words are derivatives of Latin words. 许多英语词来自拉丁语。
• adj.
  模仿他人的; 衍生的; 派生的
  His paintings are really quite derivative. 他的画实在没有创意。

英英词典释义

• Noun
  1. the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx
  2. a financial instrument whose value is based on another security
  3. (linguistics) a word that is derived from another word;
  "`electricity' is a derivative of `electric'"
• Adjective
  1. resulting from or employing derivation;
  "a derivative process""a highly derivative prose style"

行业词典

• 医学： 衍化的；衍化物：直接或经改变或经部分置换，从另一物质衍化而来的化学物质；吸血剂：从患病部位除血的制剂；
  数学： 导数；又称 :导数(differential quotient )；