两线垂直相交。

The two lines meet at right angles.

《新英汉大辞典》

伦敦野村控股(Nomura Holdings Inc.)的分析师理查德•温莎(Richard Windsor)说：“索尼爱立信处于两线作战的微妙境地，必须小心应付。”

'Sony Ericsson is in a delicate position branching out into two new areas simultaneously, which has to be very carefully managed,' says Richard Windsor, an analyst at Nomura Holdings Inc. in London.

youdao

那条线与圆相交于两点。

The line cuts the circle at two points.

《牛津词典》

The pink line takes two assets, one is stocks and the other is bonds, actually government bonds.

粉色线包含两种资产的投资组合，一个股票，另一个是债券，实际上是政府债券。

耶鲁公开课 - 金融市场课程节选

What do we call the point where the pink and the blue line cross?

蓝粉两线的交点叫什么

耶鲁公开课 - 博弈论课程节选