The 2 oscillator circuits beneath are suited to utilizing crystal oscillators in collection or parallel mode: High-repetition-fee and superior-energy picosecond regenerative amplifier based upon 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 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 Mea... https://listbell.com/story8684802/a-secret-weapon-for-bulk-crystal-oscillator