The virus shows both progressive local spread and also that it can be transported over wider geographic areas through the movement of infected swine or contaminated pork products.
该病毒显示出其既可在当地逐渐蔓延，也可通过被感染的猪和被污染的猪肉产品运输传播到更广泛的地理区域。
Chip timing synchronization between local spread sequence and transmitted spread sequence is critical. in DS-CDMA receiver.
在DS - CD MA接收机中，正确解调的首要条件是实现本地扩频码与发送扩频码的码片同步。
Chip timing synchronization between local spread sequence and transmitted spread sequence is critical. in DS-CDMA receiver.
在DS - CD MA接收机中，正确解调的首要条件是实现本地扩频码与发送扩频码的码片同步。
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