approximate

简明释义

[əˈprɒksɪmət][əˈprɑːksɪmət;əˈprɑːksɪmeɪt]

adj. 大概的,近似的

v. 类似,接近;模仿,模拟;粗略估计

第 三 人 称 单 数 a p p r o x i m a t e s

现 在 分 词 a p p r o x i m a t i n g

过 去 式 a p p r o x i m a t e d

过 去 分 词 a p p r o x i m a t e d

英英释义

Close to the actual, but not completely accurate or exact.

接近实际,但不是完全准确或精确的。

To estimate or come close to a particular value or amount.

估计或接近特定的数值或数量。

单词用法

approximate solution

[计]近似解

approximate calculation

近似计算

同义词

estimate

估计

We can only estimate the cost of the project at this stage.

在这个阶段,我们只能估计项目的成本。

roughly

大致

The population of the city is roughly 1 million.

这个城市的人口大约是100万。

similar

相似

These two products are similar in quality.

这两种产品在质量上是相似的。

near

接近

The results were near what we expected.

结果接近我们的预期。

close

接近

His age is close to mine.

他的年龄和我接近。

反义词

exact

精确的

The exact measurements are crucial for the experiment.

精确的测量对于实验至关重要。

accurate

准确的

Her accurate predictions made her a valuable asset to the team.

她的准确预测使她成为团队的重要资产。

例句

1.The cost given is only approximate.

所列成本仅系约计。

2.Had the approximate date and went to the Registry of Births to look it up.

他说,“在预产期快到时,我到出生登记处查过了。”

3.Notice how exact matches are significantly more valuable than approximate matches.

请注意,精确匹配如何比近似匹配明显更有价值。

4.They did not have even an approximate idea what the Germans really wanted.

他们对于德国人真正想要什么甚至没有一个大致概念。

5.It was simple enough, in those old days, to define with approximate accuracy when a given statement ceased to be the truth and became a lie.

在过去,要近似准确地界定一个特定声明由真理变为谎言,是很简单的。

6.And that gives you the approximate van 't Hoff equation.

这是近似的,范特霍夫公式。

7.The fishermen know the approximate time of year when they will be allowed to fish, but on any given day, one or more field biologists in a particular area can put a halt to fishing.

渔民们知道一年中允许捕捞的大概时间段,但是在某些日子,一个地区可能有一个或多个实地生物学家中止捕鱼活动。

8.The results of the experiment were only an approximate 近似的 measure of the actual values.

实验结果仅是实际值的一个近似的 近似的 测量。

9.The approximate 近似的 location of the event is in the city center.

活动的近似的 近似的 位置在市中心。

10.The approximate 估算的 cost of the trip is around $500.

这次旅行的估算的 估算的 成本大约是500美元。

11.Can you give me an approximate 大约的 time for when the project will be completed?

你能给我一个项目完成的大约的 大约的 时间吗?

12.We can provide an approximate 大致的 estimate based on previous data.

我们可以根据以前的数据提供一个大致的 大致的 估算。

作文

In the realm of mathematics and science, the concept of approximation plays a crucial role in our understanding of complex phenomena. To approximate means to come close to a certain value or representation, without necessarily being exact. This is particularly useful when dealing with real-world problems where exact solutions are either impossible or impractical to obtain. For instance, when measuring the circumference of a circle, we often use the value of pi as 3.14, which is an approximate representation of the true value. The actual value of pi is an irrational number that cannot be precisely expressed as a simple fraction, making it necessary for us to use an approximate figure in calculations.In everyday life, we frequently find ourselves using approximate values. When cooking, for example, recipes often call for measurements like 'a cup of sugar' or 'a pinch of salt.' These terms are inherently approximate, as they can vary depending on the cook’s interpretation. The ability to work with approximate values allows for flexibility and creativity in the kitchen, leading to delicious outcomes even if the measurements aren’t exact.Moreover, in the field of engineering, approximate calculations are essential for designing structures and systems. Engineers often use approximate methods to estimate loads, stresses, and other critical factors. These estimates enable them to create safe and effective designs while also saving time and resources. For instance, when designing a bridge, engineers might approximate the weight of vehicles that will travel over it, allowing them to calculate the necessary materials and structural integrity needed to support that load.The importance of approximate values extends to fields such as economics and statistics as well. Economists often rely on approximate data to make predictions about market trends and consumer behavior. Given the unpredictable nature of human actions and the myriad variables involved, having a precise prediction is often unrealistic. Instead, economists use approximate models to analyze data and forecast future events, which can guide businesses and policymakers in decision-making processes.Furthermore, in the digital world, algorithms frequently utilize approximate methods to process vast amounts of information quickly. For example, search engines employ approximate string matching techniques to return relevant results to users, even when the search terms are not an exact match. This ability to handle approximate inputs enhances user experience and efficiency in information retrieval.In conclusion, the term approximate signifies the necessity of working with values that are close to but not exactly equal to a desired figure. Whether in mathematics, cooking, engineering, economics, or technology, embracing the concept of approximate allows us to navigate complexities and uncertainties in various fields. By recognizing the value of approximate solutions, we can approach problems with a pragmatic mindset, leading to innovative solutions and successful outcomes. Understanding how to use approximate values effectively is a vital skill that empowers us to tackle challenges in our daily lives and professional endeavors.

在数学和科学领域,近似的概念在我们理解复杂现象中发挥着至关重要的作用。approximate的意思是接近某个值或表示,而不一定是精确的。这在处理现实世界的问题时尤其有用,因为精确的解决方案要么是不可能的,要么是不切实际的。例如,在测量圆的周长时,我们通常使用π的值作为3.14,这是一个approximate的表示。π的实际值是一个无法精确表达为简单分数的无理数,因此我们在计算中必须使用一个approximate的数字。在日常生活中,我们经常会使用approximate值。例如,在烹饪时,食谱通常要求像“一杯糖”或“一撮盐”这样的测量。这些术语本质上是approximate的,因为它们可以根据厨师的解释而有所不同。使用approximate值的能力使厨房中的灵活性和创造力成为可能,即使测量不精确,也能产生美味的结果。此外,在工程领域,approximate计算对于设计结构和系统至关重要。工程师通常使用approximate方法来估算载荷、应力和其他关键因素。这些估算使他们能够创建安全有效的设计,同时节省时间和资源。例如,在设计桥梁时,工程师可能会approximate将要通过的车辆的重量,从而计算出所需的材料和结构强度,以支持该载荷。approximate值的重要性还扩展到经济学和统计学等领域。经济学家通常依赖approximate数据来预测市场趋势和消费者行为。考虑到人类行为的不可预测性以及涉及的众多变量,获得精确的预测往往是不现实的。因此,经济学家使用approximate模型来分析数据并预测未来事件,这可以指导企业和政策制定者的决策过程。此外,在数字世界中,算法经常利用approximate方法快速处理大量信息。例如,搜索引擎采用approximate字符串匹配技术,返回与用户相关的结果,即使搜索词并不完全匹配。这种处理approximate输入的能力提升了用户体验和信息检索的效率。总之,approximate这个词意味着需要处理接近但不完全等于所需数字的值。无论是在数学、烹饪、工程、经济学还是技术领域,拥抱approximate的概念使我们能够在各个领域应对复杂性和不确定性。通过认识到approximate解决方案的价值,我们可以以务实的心态来处理问题,从而导致创新的解决方案和成功的结果。有效地使用approximate值是一项重要技能,使我们能够在日常生活和职业努力中应对挑战。