an approximation of [sth]
This is only an approximation of the actual value.
这只是实际值的一个近似。
近似值;粗略估计;约数
先理解核心含义,再看它在真实句子里的用法。
近似值;粗略估计;约数
A rough calculation or estimate of a quantity, degree, or worth that is not exact
This is only an approximation of the actual value.
这只是实际值的一个近似。
近似的行为、过程或结果,如
The act, process or result of approximating, as
对数量、程度或价值的近似计算
an approximate calculation of quantity or degree or worth
近似的行为、过程或结果:
The act, process or result of approximating, as:
接近相同的特性(尤其在数量上)
the quality of coming near to identity (especially close in quantity)
The engineer made a rough approximation of the bridge's load capacity before the final calculation.
工程师在最终计算之前对桥梁的承载能力做了一个粗略的近似估算。
AI contextual example
This mathematical model provides a good approximation of the population growth over time.
这个数学模型很好地近似了人口随时间增长的情况。
AI contextual example
In many physics problems, we use approximations to simplify complex equations.
在许多物理问题中,我们使用近似值来简化复杂的方程。
AI contextual example
newspapers gave only an approximation of the actual events
报纸只给出了实际事件的近似情况
WordNet
This is only an approximation of the actual value.
这只是实际值的一个近似。
常用形容词包括 rough, good, close, reasonable 等。
We need a rough approximation to start the calculations.
我们需要一个粗略的近似值来开始计算。
固定短语,表示在初步近似下。
To a first approximation, the earth is a sphere.
大致来说,地球是一个球体。
Not this
Can you give me an approximate of the cost?
Use this
Can you give me an approximation of the cost?
“approximate” 是形容词或动词,不能作名词。应使用名词形式 “approximation”,并用介词 “of” 表示所属关系。
Not this
This is a rough approximation for the answer.
Use this
This is a rough approximation of the answer.
表示“对…的近似”时应使用介词 “of”,而不是 “for”。“approximation of” 表示近似值或近似结果,“for” 则常用于表示目的。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
粗略的近似值
His estimate was only a rough approximation of the true cost.
他的估计只是真实成本的粗略近似值。
与…非常接近的近似值
This model provides a close approximation to the observed data.
这个模型与观测数据非常接近。
初步近似;第一近似值
As a first approximation, we can assume the population is evenly distributed.
作为初步近似,我们可以假设人口均匀分布。
合理的近似值
The survey gives a reasonable approximation of public opinion.
这项调查给出了对公众意见的合理的近似值。
对真相的近似描述
The news report was only an approximation of the truth.
这篇新闻报道只是对真相的近似描述。
一切精确科学都以近似的思想为主导。
A rough approximation is often good enough for practical purposes.
粗略的近似通常足以满足实际需要。
Use approximation naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象约等于号≈,两端接近但不重合;approximation 就是这样算出来的“近似值/约数”。
语域:neutral 常见场景:数学与科学写作、统计或工程计算、日常描述粗略估计或相似程度 该词为名词,通常用于数学、统计等学术或技术语境,指“近似值”或“近似计算”;日常表达“粗略估计”时也能使用,但语气比“估计”稍书面化。整体属于中性偏正式。
常与of连用
Dictionary facts from ECDICT, WIKTIONARY.