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scalar (Physics Dictionary)

scalar : Any simple physical quantity that can be described by a single number (as opposed to vectors, tensors, etc., which are described by several numbers such as magnitude and direction) and is unchanged by coordinate system rotations or translations (in Newtonian mechanics) or by Lorentz transformations or central-time translations (in relativity).

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
_ខាងក្រោមនេះជាសៀវភៅនិងឯកសារសម្រាប់ការងារនិងរៀនគ្រប់ប្រភេទ៖
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