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.
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。
Impacts of fertilization and sampling position on soil moisture and aboveground biomass of Medicago sativa were studied in a long term, in situ experiment.
基于苜蓿长期连续种植定位试验，研究了不同施肥与采样位置差异对苜蓿草地地上部分生物量和土壤水分的影响。
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