The automatic feeding device which is formed by combining the vibration disc and the linear vibrator is particularly suitable for precise machining on light and small parts.

本实用新型由振动盘和直线振动装置组合的自动送料装置，特别适合在轻、小的零件的精密加工时作为自动送料装置。

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By comparing the linear accelerometer's dynamic calibration device with linear vibrator, it pointed out the advantages of the former in the process of linear accelerometer dynamic calibration.

文中还对基于双离心机的线加速度计动态校准装置和线振动台进行比较，指出了前者在线加速度计动态校准中的优点。

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This paper presents two kinds of approximate analytical solution, non-resonance solution and resonance solution, of non-linear dynamic equation based on a type of ultra-low frequency vibrator.

给出了一类超低频标准振动台非线性运动方程的两种近似解析解——非共振解法和共振解法。

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