The two oscillator circuits under are suitable for employing crystal oscillators in series or parallel method: Higher-repetition-fee and superior-electrical power picosecond regenerative amplifier dependant on a single 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 substantial electric power passively manner-locked picosecond osc... https://bookmark-media.com/story19036946/what-does-bulk-crystal-oscillator-mean