The two oscillator circuits underneath are ideal for working with crystal oscillators in series or parallel method: Large-repetition-amount and high-electricity picosecond regenerative amplifier dependant on just 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,隔一定的距离重复出现,这种周... https://tetrabookmarks.com/story18982208/how-much-you-need-to-expect-you-ll-pay-for-a-good-bulk-crystal-oscillator