Since attackers are usually trying to add malicious scripts, this particular variation is called a "cross-site scripting attack" (XSS attack).
由于攻击者通常是试图添加恶意的脚本，因些这种变化被称为“交叉站点脚本攻击” (XSS攻击)。
2
However, binding efficiency varies between flu strains, and that variation is partly determined by the receptor-binding site (RBS) within the hemagglutinin protein.
然而，结合效率在不同毒株间存在差异，而且这种差异部分决定于血凝素蛋白中的受体结合位点。
3
Therefore the site has been designed as a flat field with minor level variation to define certain Spaces and activities.