The two oscillator circuits underneath are ideal for applying crystal oscillators in sequence or parallel manner: Substantial-repetition-rate and large-ability picosecond regenerative amplifier according to one bulk Nd:GdVO4 crystal 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... https://doctorbookmark.com/story19000436/top-guidelines-of-bulk-crystal-oscillator