“imaginary circle”的概念、定义、翻译、参考文献-科学参考

单词	imaginary circle
释义	imaginary circle [i¦maj·ǝ´ner·ē `sǝr·kǝl] ^MATHEMATICS The set of points in the x-y plane that satisfy the equation x² + y² = -r², or (x-h )² + (y-k )² = -r², where r is greater than zero, and x, y, h, and k are allowed to be complex numbers.
随便看	instantaneous carrying current instantaneous center instantaneous companding instantaneous condition instantaneous cut instantaneous description instantaneous detonator instantaneous effects instantaneous field of view instantaneous frequency instantaneous frequency-indicating receiver instantaneous fuse drag chain drag-chain conveyor drag chute drag classifier drag coefficient drag conveyor drag-cup generator drag-cup motor drag-cup tachometer drag cut drag direction drag factor drag fold

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