“heart cam”的概念、定义、翻译、参考文献-科学参考

单词	heart cam
释义	heart cam [`härt ´kam] ^HOROLOGY A heart-shaped cam used in stopwatches and chronographs to return the recording hand to zero.
随便看	phthalate phthalate buffer phthalate ester phthalazine phthalic acid phthalic anhydride phthalocyanine pigments phthalocyanine Q switching phthalonitrile phthanite phthisis phugoid Phycitinae phycobilin phycobiont phycocyanin phycocyanobilin phycoerythrin phycoerythrobilin phycology Phycomycetes Phycosecidae Phylactolaemata phyletic evolution phyletic gradualism

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