从振体处于一定位置时弹簧压缩量考虑，探讨了振动锤弹簧设计中，上、下弹簧刚度的分配问题。
And it also discussed the distribution of spring stiffness both at the top and the bottom in designing the springs of the vibration hammer.
他们具有高振频的能量场，会像海绵一样从周围的环境中吸收负面情绪和能量，因此会导致严重的情绪起伏。
Their highly tuned energy fields pick up negative emotions and environmental energy from their surroundings like a sponge which cause severe mood swings.
本文从旋转变频磁控管式频率捷变雷达的本振频率跟踪原理出发，分析了产生本振频率跟踪误差的主要因素。
The' main factors resulting in local frequency tracking error are analyzed based on the principles of the tracking local oscillator for frequency agile radars of rotary tuning magnetron type.
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