The two oscillator circuits beneath are appropriate for employing crystal oscillators in sequence or parallel method: Superior-repetition-amount and substantial-electrical power picosecond regenerative amplifier according to only 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... https://kbookmarking.com/story18935182/top-guidelines-of-bulk-crystal-oscillator