In the field blanking period of transmission line field synchronizing signal, so that the charge, the synchronous scanning, to accurately reproduce the original image.
在行场消隐期间传送行场同步信号,使收、发的扫描同步,以准确地重现原始图像。
A country reporting zero cases over a period of 14 consecutive months is believed to have interrupted transmission.
人们认为,一个国家的零病例报告连续达到14个月就属于阻断了疾病传播。
This early period of infection represents the time of greatest infectivity but transmission can occur during all stages of the infection.
这一最初感染期感染性最强,但在各感染期都可能会传播艾滋病毒。
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