The two oscillator circuits underneath are ideal for working with crystal oscillators in series or parallel manner: Substantial-repetition-level and large-electric power picosecond regenerative amplifier based on an individual 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 A higher electrical power passively method-locked picosecon... https://atozbookmark.com/story18832345/the-smart-trick-of-bulk-crystal-oscillator-that-nobody-is-discussing