采用直接存储器传送，波形数据更换快；
Direct memory access is used to transfer the waveform data as soon as possibile.
采用直接数字频率合成(DDS)技术，实现波形发生器。
It also presents the realization of wave form generation with DDS technology.
这种影响直接引起震源子波形成的初始时刻气泡内部非常低的压力值。
The pressure in bubble is very low at the moment of forming of source wavelet.
这种影响直接引起震源子波形成的初始时刻气泡内部非常低的压力值。
The pressure in bubble is very low at the moment of forming of source wavelet.
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