The 2 oscillator circuits beneath are well suited for making use of crystal oscillators in collection or parallel mode: Modeling of nonlinear micromechanical resonators and their simulation Along with the harmonic‐balance approach 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... https://www.hxcrystals.com/seokeywords/bulk-crystal-oscillator.html