She describes Gerbert's geometrical speculations as "experimental" when the modern concept of experiment was alien to the medieval mind.
她形容尔贝特的几何学的推测是“实验性的”，而现代概念的实验是同中世纪的理智是格格不入的。
The geometrical representation makes the abstract concept pictorial.
几何图象使得抽象概念形象化。
Concept of fault and geometrical elements of fault.
断层的概念、断层几何要素。
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