real number; actual number
Tone colorsmāmámǎmàma
Meanings
2 senses · 6 examplesnoun
real number (in mathematics, the union of rational and irrational numbers)
technicalIn mathematics, includes all rational numbers (fractions) and irrational numbers (such as √2 and π).
Shí实
shù数
bāo包
kuò括
yǒu有
lǐ理
shù数
hé和
wú无
lǐ理
shù数
。
Real numbers include both rational and irrational numbers.
Zài在
shí实
shù数
fàn范
wéi围
nèi内
，
zhè这
gè个
fāng方
chéng程
wú无
jiě解
。
Within the range of real numbers, this equation has no solution.
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Měi每
yī一
gè个
shí实
shù数
dōu都
duì对
yìng应
shù数
zhóu轴
shàng上
de的
yī一
gè个
diǎn点
。
Every real number corresponds to a point on the number line.
noun
actual number; exact figure
informalUsed in everyday contexts to refer to the precise count of people or things, as opposed to an estimate.
Kāi开
huì会
de的
rén人
yǒu有
duō多
shao少
，
bào报
gè个
shí实
shù数
lái来
。
Tell me the actual number of people at the meeting.
Bié别
gěi给
wǒ我
gū估
jì计
de的
，
wǒ我
yào要
de的
shì是
shí实
shù数
。
Don't give me estimates; I want the actual numbers.
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Shí实
shù数
shì是
sān三
bǎi百
rén人
，
bú不
shì是
liǎng两
bǎi百
duō多
。
The actual number is three hundred, not just over two hundred.