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1·The present device is also called a conical pendulum.

上述装置也称为圆锥摆。

2·According to classical mechanics and DE Broglie theory, this paper USES quadruplicate equation theory, and deduces the energy spectrum of conical pendulum.

根据经典力学和德布罗意理论，运用四次方程理论，推出了圆锥摆的能谱。

3·The inverted pendulum, folded pendulum, X pendulum and conical pendulum ultra-low frequency vibration isolation systems, which are developed from single pendulum, are introduced.

介绍了由单摆改进而成的倒摆、折叠摆、x摆和锥摆等超低频水平隔振系统。