Isometry

(noun.) equality of measure (e.g., equality of height above sea level or equality of loudness etc.).

(noun.) equality of elevation above sea level.

(noun.) a one-to-one mapping of one metric space into another metric space that preserves the distances between each pair of points; 'the isometries of the cube'.

(noun.) the growth rates in different parts of a growing organism are the same.

编辑:谢恩