其主义

In my opinion Spa is simply the best circuit in the world and I love driving there.

我认为斯帕是最好的赛道，我享受在这里驾驶的感觉。

In geographical information drawing, there are many random curves, like boundary lines, reivers, coasts and roads, etc.

地理信息图示中的很多图形要素均是随机曲线，如边界线、河流、海岸、道路等。