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ACT 数学与评估 - 算术与统计

在这里你将学习一些与算术和统计相关的英语单词,例如“estimate”、“median”、“divisible”等,这将帮助你在ACT考试中取得好成绩。

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ACT Vocabulary for Math and Assessment
integer

any number without fractions or decimals, including positive numbers, negative numbers, and zero

整数, 整型

整数, 整型

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"integer" 的定义和意义
fraction

a part of a whole number, such as ½

分数

分数

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"fraction" 的定义和意义
decimal

(mathematics) a number less than one, called a fraction, that is represented as a period followed by the number of tenths, hundredths, etc.

小数, 十进制数

小数, 十进制数

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"decimal" 的定义和意义
mean

(mathematics) the average value of a set of quantities calculated by adding them, and dividing them by the total number of the quantities

均值, 平均值

均值, 平均值

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"mean" 的定义和意义
average

calculated by adding a set of numbers together and dividing this amount by the total number of amounts in that set

平均的, 一般的

平均的, 一般的

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"average" 的定义和意义
mixed number

a combination of a whole number and a proper fraction

混合数, 带分数

混合数, 带分数

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"mixed number" 的定义和意义
prime number

a number greater than 1 with only two devisors which can be itself or 1

质数, 素数

质数, 素数

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"prime number" 的定义和意义
rational number

a number that can be expressed as the fraction of two integers

有理数

有理数

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"rational number" 的定义和意义
irrational number

a number incapable of being expressed as a ratio of two integers

无理数

无理数

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"irrational number" 的定义和意义
complex number

a number that has both a real part and a part involving a unit that, when squared, gives a negative result

复数, 复合数

复数, 复合数

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"complex number" 的定义和意义
real number

any number that can be found on the number line, including both positive and negative numbers, zero, and fractions

实数, 真实数字

实数, 真实数字

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"real number" 的定义和意义
whole number

any positive number without fractions or decimals, including zero

整数, 整体数字

整数, 整体数字

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"whole number" 的定义和意义
root

a value that, when multiplied by itself a specified number of times, results in the given number

根, 平方根

根, 平方根

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"root" 的定义和意义
range

the difference between the highest and lowest values in a set of numbers

范围, 差值

范围, 差值

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"range" 的定义和意义
solution

a correct answer to a problem in mathematics or a puzzle

解答, 答案

解答, 答案

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"solution" 的定义和意义
product

the result of multiplying two or more numbers or quantities together

乘积

乘积

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"product" 的定义和意义
factor

(mathematics) one of the numbers that another number can be divided by

因子, 因数

因子, 因数

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"factor" 的定义和意义
value

(mathematics) an amount that is shown by a sign or letter

值

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"value" 的定义和意义
inequality

a statement that compares two quantities, expressions, or values and indicates their relative sizes

不等式

不等式

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"inequality" 的定义和意义
equation

(mathematics) a statement indicating the equality between two values

方程

方程

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"equation" 的定义和意义
minimum

having the least or smallest amount possible

最低的

最低的

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"minimum" 的定义和意义
exponential

a mathematical expression where a number is multiplied by itself a certain number of times determined by a variable

指数

指数

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"exponential" 的定义和意义
arithmetic sequence

a sequence of numbers in which the difference between any two consecutive terms is constant

算术序列, 等差数列

算术序列, 等差数列

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"arithmetic sequence" 的定义和意义
divisible

having the quality of being divided, especially by a number

可被整除的, 可分割的

可被整除的, 可分割的

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"divisible" 的定义和意义
to square

to multiply a value or number by itself

平方, 自乘

平方, 自乘

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"to square" 的定义和意义
improper fraction

a fraction where the the top number is greater than or equal to the equal to the bottom number

不当分数, 不合适的分数

不当分数, 不合适的分数

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"improper fraction" 的定义和意义
quotient

the result obtained by dividing one quantity or number by another, expressed as the outcome of a division operation

商

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"quotient" 的定义和意义
common ratio

the constant ratio between consecutive terms

公比, 相邻项之间的公比

公比, 相邻项之间的公比

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"common ratio" 的定义和意义
common multiple

a number that is a multiple of two or more given numbers

公倍数, 公倍数的

公倍数, 公倍数的

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"common multiple" 的定义和意义
common factor

a number that divides exactly into two or more given numbers without leaving a remainder

公因数, 共同因子

公因数, 共同因子

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"common factor" 的定义和意义
common denominator

(mathematics) a number divisible by all the numbers that are below the line in a set of fractions

公分母, 分母

公分母, 分母

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"common denominator" 的定义和意义
least common denominator

the smallest positive integer that is a common multiple of the denominators of two or more fractions

最小公倍数, 最小公分母

最小公倍数, 最小公分母

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"least common denominator" 的定义和意义
probability

(mathematics) a number representing the chances of something specific happening

概率

概率

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"probability" 的定义和意义
median

a statistical measure that represents the middle value of a data set when the values are arranged in ascending or descending order

中位数

中位数

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"median" 的定义和意义
mode

the value that appears most frequently in a data set

众数

众数

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"mode" 的定义和意义
bimodal

having or involving two distinct modes, peaks, or most frequent values

双峰的, 双模式的

双峰的, 双模式的

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"bimodal" 的定义和意义
to estimate

to guess the value, number, quantity, size, etc. of something without exact calculation

估计, 估算

估计, 估算

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"to estimate" 的定义和意义
frequency

the number of times a particular event occurs within a specific period or among a set of observations

频率, 数量

频率, 数量

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"frequency" 的定义和意义
distribution

(statistics) the way statistical data are arranged that shows the frequency in which the values of a variable are repeated

分布, 分配

分布, 分配

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"distribution" 的定义和意义
standard deviation

a measure of how much the values in a set typically differ from the average

标准差, 离均差

标准差, 离均差

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"standard deviation" 的定义和意义
margin of error

the range within which the true value is expected to fall, accounting for potential inaccuracies in measurement or sampling

误差范围, 错误边际

误差范围, 错误边际

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"margin of error" 的定义和意义
random

occurring in such a way that each possible outcome has a certain probability of occurring, but the specific outcome cannot be predicted with certainty

随机的, 偶然的

随机的, 偶然的

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"random" 的定义和意义
trend line

a straight line drawn through a set of data points on a graph to represent the general direction or pattern of the data

趋势线, 趋势线(统计)

趋势线, 趋势线(统计)

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"trend line" 的定义和意义
dot plot

a type of statistical chart consisting of dots that represent individual data points

点图, 点状图

点图, 点状图

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"dot plot" 的定义和意义
linear model

a mathematical representation that describes the relationship between two or more variables using a linear equation

线性模型

线性模型

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"linear model" 的定义和意义
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