考察实践，电子商务犯罪多以互联网为平台，并具有犯罪速度快、隐蔽性强、波及范围广等特征。
In practice, e-crime often USES the Internet as a platform and has characters of speeding crime, being concealed, wide spreading and so on.
当前艾滋病的疫情呈现出：传播速度快，波及范围广，局部地区疫情严重，感染从高危人群向一般人群传播等特点。
The current AIDS epidemic emerged: the spread of fast, affecting a wide range of localized outbreaks of serious infection from high-risk groups to the general population and so on.
装有这种软件的汽车在全球范围内已经售出了1100万辆，由此可见这种人为的灾难波及范围之广。
That up to 11 million cars sold around the globe have such software is an indication of how massive this man-made disaster is.
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