“Graham's pendulum”的概念、定义、翻译、参考文献-科学参考

单词	Graham's pendulum
释义	Graham's pendulum [¦gramz `pen·jǝ·lǝm] ^{DESIGN ENGINEERING} A type of compensated pendulum having a hollow bob containing mercury whose thermal expansion balances the thermal expansion of the pendulum rod.
随便看	beam sea beam splice beam splitter beam splitting beam spread Beams servoed rotational method beam steering beam storage beam switching beam-switching tube beam test beam tetrode beam well metal oxide semiconductor metal oxide semiconductor field-effect transistor metal oxide semiconductor integrated circuit metal-petal basket metal plating metal pointing metal powder metal replacement metal-rich star metal rolling metal screen metal semiconductor field-effect transistor

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