direct proportion; ratio
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Meanings
2 senses · 5 examplesnoun
direct proportion; direct ratio
technical数学和物理中表示两个变量成正比例关系(y=kx),一个增加另一个也增加。
Zài在
sù速
dù度
bú不
biàn变
de的
qíng情
kuàng况
xià下
,
lù路
chéng程
hé和
shí时
jiān间
chéng成
zhèng正
bǐ比
。
When speed is constant, distance is directly proportional to time.
Ér儿
tóng童
suí随
zhe着
nián年
líng龄
de的
zēng增
zhǎng长
,
tǐ体
lì力
yě也
zhú逐
jiàn渐
zēng增
qiáng强
,
zhè这
jiù就
shì是
zhèng正
bǐ比
guān关
xi系
。
As children grow older, their physical strength gradually increases; this is a direct proportional relationship.
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Zhè这
liǎng两
gè个
biàn变
liàng量
chéng成
zhèng正
bǐ比
biàn变
huà化
。
These two variables change in direct proportion.
noun
ratio of one number to another
technical数学中表示两个数量的比较关系,如9:3。
Jiǔ9
yǔ与
sān3
de的
zhèng正
bǐ比
shì是
sān3
bǐ比
yī1
。
The ratio of nine to three is three to one.
Qiú求
zhè这
liǎng两
gè个
shù数
de的
zhèng正
bǐ比
。
Find the ratio between these two numbers.