It's still with that glass box because we still want that visual access, but now it's sheathed with this thermo-bimetal layer, it's a screen that goes around it, and that layer can actually open and close as that sun moves around on that surface.
因为我们想要看到它的里面 所以它依然是一个玻璃框 但现在它被热双金属层护套保护 一个屏幕环绕 并且那层热双金属层可以 根据太阳移动进行开关