The two oscillator circuits underneath are ideal for applying crystal oscillators in sequence or parallel manner: Substantial-repetition-price and superior-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 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... https://bookmarkerz.com/story18854535/the-single-best-strategy-to-use-for-bulk-crystal-oscillator