The two oscillator circuits down below are appropriate for applying crystal oscillators in sequence or parallel manner: Modeling of nonlinear micromechanical resonators as well as their simulation With all the harmonic‐harmony method 的很多特性，如温度稳定性，老化稳定性，等效电路参数，容性负载要求等，都与切割方式密切相关�?石英 ）是有明确衍射图案的固体，其原子或分子在空间按一定规律周期... https://www.hxcrystals.com/seokeywords/bulk-crystal-oscillator.html