1、The point of intersection of the three altitudes of a triangle
垂心三角形的三邊垂線的交點(diǎn)

2、Searching point of intersection between curves is an important problem in computer graphics.
求交是計(jì)算機(jī)圖形學(xué)的重要問題，而直線求交又是復(fù)雜曲線求交的基礎(chǔ)。

3、The point of intersection of the three altitudes of a triangle.
垂心三角形的三邊垂線的交點(diǎn)

4、The other point of intersection of equator and the ecliptic is called the Autumnal Equinox.
赤道和黃道的另一個(gè)相交點(diǎn)叫作秋分點(diǎn)。

5、The point of intersection of arcs or curves, such as the inner points of a trefoil.
線交叉集合之點(diǎn)或一個(gè)形體中與底層相對(duì)的點(diǎn)。