rav
- 网络病毒;新款;瑞星杀毒软件;四驱;瑞星杀毒
rav-
The first generation Rav was too small for most Americans , but the second , which came out in 2000 kicked off a craze .
对多数美国人而言，第一代RAV显得过于小巧，但是于2000年推出的第二代RAV迅即成为畅销车。
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A 1.2 kb PCR fragment was obtained from SPF chicken embryo fibroblast cell ( CEF ), which was infected with avian leukosis virus ( ALV ) RAV 1 , RAV 2 or not with any ALV as control .
用PCR方法从禽白血病病毒（avianleukosisvirus，ALV）亚群毒株RAV-1、RAV-2感染或未感染的SPF鸡胚成纤维细胞（CEF）分别扩增出1.2kb基因片段。