The two oscillator circuits below are appropriate for using crystal oscillators in sequence or parallel mode: Modeling of nonlinear micromechanical resonators as well as their simulation with the harmonic‐stability system PDF Design of resonators for the dedication in the temperature coefficients of elastic constants of monocrystalline silicon 这个平时使用的时候也叫做晶振，但是是不准... https://www.hxcrystals.com/seokeywords/bulk-crystal-oscillator.html