3. Key concepts
3.1 Dimensionality
The notion of dimension (dimension) refers empirically to size. The main dimensions of a simple geometric object are its length, width, depth or thickness, or its diameter.
SCROLL TO TOPA physical quantity is a physical property that can be quantified by measurement or calculation, and whose various possible values are expressed using a number, usually accompanied by a unit of measurement. The dimension of a physical quantity is expressed in a unit, which is...
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