The two oscillator circuits down below are appropriate for applying crystal oscillators in sequence or parallel manner: Modeling of nonlinear micromechanical resonators and their simulation While using the harmonic‐balance strategy PDF 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 Much more exact sets of the first and second order temperature coefficie... https://bookmarkoffire.com/story18877323/how-bulk-crystal-oscillator-can-save-you-time-stress-and-money