“spiral”的概念、定义、翻译、参考文献-科学参考

单词	spiral
释义	spiral [`spī·rǝl] ^MATHEMATICS A simple curve in the plane which continuously winds about itself either into some point or out from some point.
随便看	nicotinamide adenine dinucleotide nicotine nicotinic acid nictitating membrane nidamental gland nidicolous nidus niello Niemann-Pick disease nieve penitente NIF niggliite night night ape night blindness night effect nightglow night order book night-sky camera night-sky light night-sky luminescence night sweat nighttime visual range night vision night-vision binoculars

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