引入了一定近似性以后由原严格周期性约化而得的近似周期性。
执行操作标准周期性的回顾然后改正和改良。
To enforce operational Standards that are reviewed periodically and then updated and improved.
在CELP编码器中，通常用延迟为抽样间隔整数倍的长项预测器表征浊音语音的准周期性。
The CELP Coder usually USES a long-term predictor that the delay is the integer multiples of sampling interval to exploit the quasi-periodic structure of speech.
模拟的苏门答腊俯冲带上的大地震在时间上有准周期性，空间上有迁移特征，破裂由深部向浅部进行；
The earthquakes simulated by the model on the Sumatra subduction zone have characteristics of quasi-cycle in time and migration in space. The earthquake ruptures propagate upward from bottom.
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