1.老一代的“甲壳虫”前风窗玻璃的倾角为30°见图1(a);当代轿车的前风窗玻璃的倾角为58°见图1(b).目的是为了改善驾驶员的视觉,同时让阳光透进前风窗玻璃的内表面,使车内乘客感到温暖,然而阳光的幅射又影响了驾驶员的视线,成了一对矛盾.经调查,有40%的用户不满意,于是工厂又借助计算机系统设计了下面的一种称为“智能型”的前风窗玻璃. 1. The older Beetle front windshield has an inclination of 30 ° as shown in Figure 1 (a); the front windshield of a contemporary sedan has an inclination of 58 ° as shown in Figure 1 (b). The purpose is to improve the driver’s Visual, while allowing the sun to penetrate the inner surface of the windshield, so that passengers feel warm inside the car, but the sun’s radiation affects the driver’s line of sight has become a contradiction.After investigation, 40% of users do not Satisfied, so the factory again with the help of computer systems designed the following one called “smart” windshield.