constant; constant quantity
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Meanings
1 sense · 4 examplesnoun
constant; fixed quantity; invariant
A fundamental concept in mathematics, physics, computer science, and other technical fields. Contrasts with 'variable' (变量). The synonym '恒量' emphasizes 'permanence'.
Yuán圆
de的
zhōu周
cháng长
yǔ与
zhí直
jìng径
zhī之
bǐ比
shì是
yī一
gè个
cháng常
liàng量
，
wǒ我
men们
chēng称
zhī之
wéi为
yuán圆
zhōu周
lǜ率
。
The ratio of a circle's circumference to its diameter is a constant, which we call pi.
Zài在
yún匀
sù速
zhí直
xiàn线
yùn运
dòng动
zhōng中
，
sù速
dù度
shì是
cháng常
liàng量
，
jiā加
sù速
dù度
wéi为
líng零
。
In uniform linear motion, velocity is constant and acceleration is zero.
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Wàn万
yǒu有
yǐn引
lì力
cháng常
shù数
shì是
wù物
lǐ理
xué学
zhōng中
de的
yī一
gè个
jī基
běn本
cháng常
liàng量
。
The gravitational constant is a fundamental constant in physics.
Zhè这
gè个
wù物
lǐ理
gōng公
shì式
zhōng中
de的
jǐ几
gè个
zì字
mǔ母
dài代
biǎo表
cháng常
liàng量
，
nǐ你
xū需
yào要
chá查
biǎo表
huò获
qǔ取
tā它
men们
de的
zhí值
。
The letters in this physics formula represent constants; you need to look up their values in a table.