“circle of equal declination”的概念、定义、翻译、参考文献-科学参考

单词	circle of equal declination
释义	circle of equal declination [`sǝr·kǝl ǝv `ē·kwǝl ´dek·lǝ`nā·shǝn] See <<parallel of declination>>
随便看	backcross backcross parent backdeep backdigger back diode back-door cold front back draft back-draft damper back echo back-echo reflection backed cloth back edging back electromotive force back-emission electron radiography back end back-end system backfill back fillet backfire backfire antenna backflap hinge backflash backflooding backflow backflow connection

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