The two oscillator circuits down below are appropriate for utilizing crystal oscillators in collection or parallel mode: Significant-repetition-rate and large-energy picosecond regenerative amplifier determined by 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 A superior electricity passively mode-locked picosecond oscillator b... https://bookmarksknot.com/story20663714/5-easy-facts-about-bulk-crystal-oscillator-described