The green spiral is made from quarter-circles tangent to the interior of each square, while the red spiral is a Golden spiral, a special type of logarithmic spiral.

绿色螺旋线由内部每一个正方形和四分之一圆相切线构成，而红色的螺旋线是黄金螺旋线，它是对数螺旋线的一种特殊类型。

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Classical architectural modeling is rigorous, the universal application classical pillar type, interior decoration of rich and colorful.

古典主义建筑造型严谨，普遍应用古典柱式，内部装饰丰富多彩。

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Interior latex paint is a new type of environmental control health Chatham.

多功能内墙乳胶漆是一种新型环境治理健康漆。

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At a recent golf-industry show, however, the U.S. working group displayed examples of counterfeit clubheads sawed in half, and you can see the type of irregularities that impact performance: irregular interior walls, or supposedly hollow iron-head cavities that instead are solid steel.

WSJ: Psst��Wanna Buy a Counterfeit Golf Club? | Golf Journal by John Paul Newport