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单词 scalar
释义 scalar
[`skā·lǝr]
COMPUTER SCIENCE
A single value or item.
MATHEMATICS
One of the algebraic quantities which form a field, usually the real or complex numbers, by which the vectors of a vector space are multiplied.
PHYSICS
1. A quantity which has magnitude only and no direction, in contrast to a vector.
2. A quantity which has magnitude only, and has the same value in every coordinate system. Also known as scalar invariant.
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