flat mirrorsS 基本例句 平面镜 光学 Power tower systems also known as“ central receiver” systems use a field of large, flat mirrors to track and reflect sunlight onto a receiver mounted at the top of a tall tower. 电力塔系统也称为“中央接收器”系统的使用领域广泛,在高塔顶部的接收器上安装平面镜,用于追踪和反射光。 blog.sina.com.cn