欧几里德几何的唯一性与必要性已被公认。
The common conclusion was the uniqueness and necessity of Euclidean geometry.
非欧几里德几何实际上是从属于欧几里德几何的。
The non-euclidena geometries were in effect subordinated to euclidean geometry.
传统的煤层气渗流数学模型均是建立在欧几里德几何基础上的。
Conventional flow mathematical models of coalbed methane are all based on Euclidean geometry.
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