The Greeks had recognized that abstract or mathematical space is distinct from sensory perceptions of space.
希腊人已经承认抽象的或数学的空间不同于感性认识的空间。
But to read this language and predict how the one-dimensional string will fold up in three-dimensional space, you need a mathematical dictionary.
但是读懂这种语言,并能够预测出一维元素如何在三维空间当中折叠的,则需要一本数学词典。
Because fault symptom space and fault space have complicated non-linear relations, the mathematical model of diagnosis system is difficult to build up.
由于故障征兆和故障类型之间常常存在复杂的非线性关系,使得诊断系统的数学模型很难获取。
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