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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