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。
Based on the indoor model tests and field blasting crater tests, the paper discussed the influence of single closed fissure upon fragmentation effect of blasting with single spherical charge.
本文在室内模型试验与现场爆破漏斗试验基础上，着重论述了单个闭合状裂隙对单个球状药包爆破破碎效果的影响。
The effect of spherical aberration on the radius of image beam waist in the design of laser optical system is discussed in detail, and the expression is presented.
文章主要针对激光光学系统设计中存在的球差对高斯光束像方束腰半径的影响进行了详细的讨论，并给出了具体关系。
应用推荐