Using triangle strips or triangle fans is often more efficient than using triangle lists because fewer vertices are duplicated.

由于使用三角形条带或三角扇形时重复的顶点较少，因此使用它们比使用三角形列表效率更高。

youdao

The love 1 triangle between Bella, Edward and Jacob has fans 2 swooning and screaming.

贝拉、爱德华和雅各布之间的三角恋为影迷们所津津乐道，并且连声尖叫。

youdao

"So I don't think there's a way to prepare for that; but you could definitely say I felt a little bit of pressure trying to bring Jacob's character and Jacob and Bella's relationship alive for the fans, because this movie definitely develops their relationship and it sets up the love triangle, so it's a very important story."

VOA: standard.2009.11.23

Instead of housing and retail, parking lots for Mets fans would initially replace dozens of businesses in an area known as the Iron Triangle to the east of Citi Field.

WSJ: Plan Upends Willets Vision