“Second's Pendulum”的概念、定义、翻译、参考文献-科学参考

单词	Second's Pendulum
释义	Second's Pendulum A simple pendulum whose time period on the surface of earth is 2 seconds is called the second's pendulum.
随便看	fibroadenoma fibroblast Fibrocaps fibrocystic breast changes fibrofolliculoma fibroid fibromatosis fibrosarcoma fibrosis fibrous fibrous protein ficlatuzumab fidaxomicin Fidelin fiducial marker fifth cranial nerve fight-or-flight syndrome figitumumab FIHP filament filgrastim filgrastim-primed peripheral blood progenitor cells filgrastim-SD/01 film mammography filter

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