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。
Using triangle strips or triangle fans is often more efficient than using triangle lists because fewer vertices are duplicated.
赛克切削刀具用PCD刀片TM标准规格为圆形，并可按照用户要求加工成矩行、正方形、三角行、扇形和半圆形等不同规格。
The standard shape of SUPREME PCD Cutting Tool BlanksTM is round. Other shapes, such as rectangle, triangle, square, semi-circle and so on, can also be customized per customers' requirements.
由于行吟阁过落羽桥是一块天然的三角洲，依地势建有一个扇形的长廊，而又临近湖岸，所以取名为“濒湖画廊”。
As a devoted Court charged plume Bridge is a natural delta, according to the terrain there is a fan-shaped construction of the promenade, and near Lakeshore, named "Dying Lake galleries."
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