“astatic pendulum”的概念、定义、翻译、参考文献-科学参考

单词	astatic pendulum
释义	astatic pendulum [ā`stad·ik `pen·jǝ·lǝm] ^PHYSICS A pendulum which almost never takes a position of equilibrium.
随便看	directional separation filter directional solidification directional stability directional structure directional well direction angles direction cosine direction finder direction-finder-bearing indicator direction finder deviation direction-finding net direction-giving beacon direction-independent radar direction indicator direction numbers direction of propagation direction of relative movement direction ratios direction rectifier directive directive feed directive gain directive therapy directivity directivity factor

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