Using the mean draft, heelAngle and trim Angle as the design variables, it need not calculate tangent values of the angles and is more convenient for application.
设计变量直接取吃水、横倾角和纵倾角，不必预先计算倾角的正切值，使用方便。
2
In conventional high-heeled shoes, the heel is much higher than the rest of the shoe, causing the wearer to place their foot at an Angle.
传统的高跟鞋一般都是鞋跟部分要比鞋底高出很多，我们穿着的时候脚其实是位于一个三角形的支架上。
3
Obama sat like a jazz musician on his chair, one heel hooked at an angle, while McCain sat as if he might leap up at any moment, or stood impatiently waiting for his turn to speak.