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单词 quadrature
释义 quadrature
[`kwä·drǝ·chǝr]
ASTRONOMY
The right-angle physical alignment of the sun, moon, and earth.
MATHEMATICS
1. The construction of a square whose area is equal to that of a given surface.
2. The process of calculating a definite integral.
PHYSICS
State of being separated in phase by 90°, or one quarter-cycle. Also known as phase quadrature.
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