focus; focal point; point of intersection
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
point of intersection (in mathematics); focal point
formal数学基本术语。在几何、光学、物理等学科中均有应用。
Zhè这
liǎng两
tiáo条
zhí直
xiàn线
de的
jiāo焦
diǎn点
hěn很
róng容
yì易
jì计
suàn算
。
The point of intersection of these two straight lines is easy to calculate.
Tū凸
tòu透
jìng镜
néng能
bǎ把
píng平
xíng行
guāng光
xiàn线
huì汇
jù聚
dào到
yī一
diǎn点
，
zhè这
ge个
diǎn点
jiù就
shì是
jiāo焦
diǎn点
。
A convex lens can converge parallel rays of light to a single point, which is the focal point.
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Zài在
zhè这
ge个
jǐ几
hé何
wèn问
tí题
zhōng中
，
wǒ我
men们
xū需
yào要
qiú求
chū出
yuán圆
yǔ与
qiē切
xiàn线
de的
jiāo焦
diǎn点
。
In this geometry problem, we need to find the point of tangency between the circle and the tangent line.