算术与统计

irrational number

名词

/ɪɹˈæʃənəl nˈʌmbɚ/

(非理性数)

无理数

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

complex number

名词

/kˈɑːmplɛks nˈʌmbɚ/

(复合数)

复数

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

real number

名词

/ɹˈiːəl nˈʌmbɚ/

(真实数)

实数

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

whole number

名词

/hˈoʊl nˈʌmbɚ/

(非负整数)

整数

any positive number without fractions or decimals, including zero

integer

名词

/ɪn.tə.ʤɜr/ or /in.tē.jēr/

i

ɪ

n

n

t

t

e

ə

g

ʤ

e

ɜ

r

r

(整数组)

整数

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

decimal

名词

/dɛ.sə.məl/ or /de.sē.mēl/

d

d

e

ɛ

c

s

i

ə

m

m

a

ə

l

l

(十进制数)

小数

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

improper fraction

名词

/ɪmpɹˈɑːpɚ fɹˈækʃən/

(不正确分数)

假分数

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

root

名词

/rut/ or /root/

r

r

oo

u

t

t

(根号)

平方根

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

range

名词

/reɪnʤ/ or /reinj/

r

r

a

eɪ

n

n

g

ʤ

e

(差值)

范围

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

product

名词

/prɑ.dəkt/ or /praa.dēkt/

p

p

r

r

o

ɑ

d

d

u

ə

c

k

t

t

(乘积)

积

the result of multiplying two or more numbers or quantities together

quotient

名词

/kwoʊ.ʃənt/ or /kvooo.shēnt/

q

k

u

w

o

oʊ

t

ʃ

ie

ə

n

n

t

t

(商数)

商

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

factor

名词

/fæk.tɜr/ or /fāk.tēr/

f

f

a

æ

c

k

t

t

o

ɜ

r

r

(因素)

因数

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

value

名词

/væ.lju/ or /vā.lyoo/

v

v

a

æ

l

l

u

ju

e

(数值)

值

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

inequality

名词

/ɪn.ɪk.wɑ.lɪ.ti/ or /in.ik.vaa.li.ti/

i

ɪ

n

n

e

i

q

k

u

w

a

ɑ

l

l

i

ə

t

t

y

i

(差异)

不等式

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

equation

名词

/ɪkwn/ or /ikvn/

e

ɪ

q

k

u

w

a

t

i

o

n

n

(等式)

方程

(mathematics) a statement indicating the equality between two values

minimum

名词

/mɪ.nə.məm/ or /mi.nē.mēm/

m

m

i

ɪ

n

n

i

ə

m

m

u

ə

m

m

(最低要求)

最低限度

the lowest amount, degree, or extent there is or is possible, allowed or required

exponential

名词

/ɛk.spoʊ.nɛn.ʃəl/ or /ek.spooo.nen.shēl/

e

ɛ

x

ks

p

p

o

oʊ

n

n

e

ɛ

n

n

t

ʃ

ia

ə

l

l

(指数表达式)

指数

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

linear

形容词

/lɪ.niɜr/ or /li.niēr/

l

l

i

ɪ

n

n

ea

iɜ

r

r

(线性)

线性的

related to equations that create straight lines when graphed, indicating a constant rate of change

common ratio

名词

/kˈɑːmən ɹˈeɪʃɪˌoʊ/

(公共比)

公比

the constant ratio between consecutive terms

common multiple

名词

/kˈɑːmən mˈʌltɪpəl/

(最小公倍数)

公倍数

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

common factor

名词

/kˈɑːmən fˈæktɚ/

(共同因子)

公因数

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

least common denominator

名词

/lˈiːst kˈɑːmən dɪnˈɑːmᵻnˌeɪɾɚ/

(最小共同分母)

最小公分母

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

probability

名词

/prɑ.bə.bɪ.lə.ti/ or /praa.bē.bi.lē.ti/

p

p

r

r

o

ɑ

b

b

a

ə

b

b

i

ɪ

l

l

i

ə

t

t

y

i

(可能性)

概率

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

arithmetic sequence

名词

/ɐɹˈɪθmətˌɪk sˈiːkwəns/

(等差序列)

等差数列

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

frequency

名词

/frik.wən.si/ or /frik.vēn.si/

f

f

r

r

e

i

q

k

u

w

e

ə

n

n

c

s

y

i

(频次)

频率

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

median

名词

/mi.diən/ or /mi.diēn/

m

m

e

i

d

d

ia

iə

n

n

(中值)

中位数

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

bimodal

形容词

/baɪ.moʊ.dəl/ or /bai.mooo.dēl/

b

b

i

aɪ

m

m

o

oʊ

d

d

a

ə

l

l

(双模的)

双峰的

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

standard deviation

名词

/stˈændɚd dˌiːvɪˈeɪʃən/

(标准偏差)

标准差

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

margin of error

名词

/mˈɑːɹdʒɪn ʌv ˈɛɹɚ/

(误差幅度)

误差范围

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

random

形容词

/ræn.dəm/ or /rān.dēm/

r

r

a

æ

n

n

d

d

o

ə

m

m

(任意的)

随机的

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

trend line

名词

/tɹˈɛnd lˈaɪn/

(走向线)

趋势线

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

dot plot

名词

/dˈɑːt plˈɑːt/

(点绘图)

点状图

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

linear model

名词

/lˈɪnɪɹ mˈɑːdəl/

(线性图模型)

线性模型

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