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单词 square
释义 square
[skwer]
MATHEMATICS
1. The square of a number r is the number r2, that is, r times r.
2. The plane figure with four equal sides and four interior right angles.
MECHANICS
Denotes a unit of area; if x is a unit of length, a square x is the area of a square whose sides have a length of 1x; for example, a square meter, or a meter squared, is the area of a square whose sides have a length of 1 meter. Abbreviated sq.
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