In effect, the Gregorian dome transforms Arecibo's spherical dish into the equivalent of a parabolic dish.
In effect, the Gregorian dome transforms Arecibo's spherical dish into the equivalent of a parabolic dish.
效果上“罗马穹顶”将阿雷西博的球形碟面变成了抛物面形碟面。
In effect, the Gregorian dome transforms Arecibo's spherical dish into the equivalent of a parabolic dish.
效果上“罗马穹顶”将阿雷西博的球形碟面变成了抛物面形碟面。