equivalence of X and Y
The equivalence of mass and energy is a cornerstone of relativity.
质量与能量的等价性是相对论的基石。
逻辑等价;同或;等价关系;化合价;原子价;对等;等值;相交理论中的等价
The condition of being equal in value, amount, meaning, or importance.
等价或基本相等的状态。
The condition of being equivalent or essentially equal.
等价关系;≡;~
An equivalence relation; ≡; ~
两个命题同真或同假的关系;逻辑等价。
The relationship between two propositions that are either both true or both false.
原子化合力的量,以氢为单位;可与一个原子化合或被置换的氢原子数;化合价。
The quantity of the combining power of an atom, expressed in hydrogen units; the number of hydrogen atoms can combine with, or be exchanged for; valency.
一种布尔运算,当两个输入变量同时为真或同时为假时结果为真,否则为假;即同或函数。
A Boolean operation that is TRUE when both input variables are TRUE or both input variables are FALSE, but otherwise FALSE; the XNOR function.
相交理论中的数;正维簇有时形式上等同于有限个点,该数即为其等价数。
A number in intersection theory. A positive-dimensional variety sometimes behaves formally as if it were a finite number of points; this number is its equivalence.
一种语言中的术语或文本与其译文的语义相似程度。
The degree to which a term or text in one language is semantically similar to its translated counterpart.
The equivalence of the two mathematical expressions was confirmed by the proof.
这两个数学表达式的等价性通过证明得以确认。
用法提示:名词作主语,表示数学上的等价关系。
In economics, the equivalence of goods is often measured by their exchange value.
在经济学中,商品的等价性通常用交换价值来衡量。
用法提示:名词作宾语,表示价值上的等同。
The equivalence between the two chemical compounds means they can be used interchangeably.
这两种化合物之间的等价性意味着它们可以互换使用。
用法提示:名词作主语,表示化学上的等效性。
The equivalence of mass and energy is a cornerstone of relativity.
质量与能量的等价性是相对论的基石。
There is a clear equivalence between the two theories.
这两种理论之间有明显的等价性。
当强调对应关系时,常用'of...to...'结构。
The equivalence of one currency to another fluctuates daily.
一种货币对另一种货币的等值每天都在波动。
equality 侧重数量、程度或地位完全一致;equivalence 常指功能、价值或逻辑上的等效,不完全等同。
correspondence 强调事物在结构、功能或关系上互相对应,未必数量或程度相同。
parity 多用于汇率、薪酬、地位等可比量的对等,语域较正式。
sameness 语气比 equivalence 更强,指完全一模一样,不能随意替换使用。
义项:‘相等/等价’的状态;反义词为表示不等、不同或不一致的名词。
义项:‘相等/等价’的状态;反义词为表示不等、不同或不一致的名词。
义项:‘相等/等价’的状态;反义词为表示不等、不同或不一致的名词。
义项:‘相等/等价’的状态;反义词为表示不等、不同或不一致的名词。
equivalence强调本质上相等、等价;equivalency常用于指学分、标准等的等同性
equivalence是名词,指状态;equivalent是形容词或名词,指等同的事物
等价关系
An equivalence relation is reflexive, symmetric, and transitive.
等价关系具有自反性、对称性和传递性。
逻辑等价
Logical equivalence means two propositions always have the same truth value.
逻辑等价意味着两个命题的真值总是相同。
等价类
Each equivalence class contains all elements related to a given element.
每个等价类都包含与某个给定元素相关的所有元素。
等效原理
The equivalence principle is a central idea in general relativity.
等效原理是广义相对论的核心思想。
错误等同
The article was criticized for drawing a false equivalence between the two scandals.
这篇文章因将这两个丑闻错误地等同起来而受到批评。
adjective
adverb
equi-(相等的)+ -val-(价值/力量)+ -ence(名词后缀)→ 等价。相关:equal(相等的),value(价值),difference(差异)
在数学中,等价(equivalence)常指一种特殊的二元关系。
等价关系会把集合中的元素归入互不重叠的等价类(equivalence class)。
等价关系能将一个集合划分为若干个不相交的等价类。
等价关系具有自反性,即每个元素都与自身等价。
等价关系还满足传递性:若a与b等价且b与c等价,则a与c也等价。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.