The two oscillator circuits down below are appropriate for using crystal oscillators in sequence or parallel manner: Modeling of nonlinear micromechanical resonators as well as their simulation Using the harmonic‐harmony process 中原子或分子的排列具有三维空间的周期性,隔一定的距离重复出现,这种周期性规律是 中原子或分子的排列具有三维空间的周期性,隔一定的距离重复出现,这种周期性规律是 ... https://www.hxcrystals.com/seokeywords/bulk-crystal-oscillator.html