Most specialize in ecommerce scams and malware attacks on businesses .
他们中的大多数专门研究电子商务诈骗和商业上的恶意软件攻击。
Sf-books - sf-books is the first and only online paperback swap to specialize in science fiction and fantasy books .
科幻图书科幻图书是第一个也是唯一一个专门致力于科学小说和奇幻小说互换的网上社区。
Murphy heads the center for robot-assisted search and rescue , where she commands an arsenal of unmanned craft that specialize in emergency response .
墨菲主管机器人协助搜救中心，在这里她还指挥大量的专门用作突发事件响应的无人驾驶飞行器。
Computer-security firms that track chinese cyberspying groups say that one of the roughly 20 groups they know about appears to specialize in the media industry .
跟踪中国网络间谍组织的计算机安全公司说，他们知道的大概20个组织中，有一个似乎专门对媒体业下手。
Graduate students specialize in a particular field of study .
