The 2 oscillator circuits under are well suited for making use of crystal oscillators in collection or parallel method: Large-repetition-level and higher-electricity 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 ）是有明确衍射图案的固体，其原子或分子在空间按一定规律周期重复... https://bookmarkingbay.com/story18943585/getting-my-bulk-crystal-oscillator-to-work