killer application

基本解释

Digital Multimedia Broadcasting is considered as the killer application in consumer electronics, attracting lots of development and marketing efforts, and there is no exception in China.
数字移动多媒体广播作为消费电子领域下一个杀手级应用，吸引了大量的研发和市场投入，这在中国也不例外。
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The 3rd generation mobile communication technology (3G) has been booming in the world. Video application, being the core of the 3G's "killer application", has become research institutions' hot topic.
随着3G移动通信技术在世界范围内的蓬勃发展，以视频多媒体应用为核心的3G“杀手级应用”，成为工业界及相关研究机构的研究热点。
By creating a new channel for advertising and information communicating, short message service is the "killer application" of mobile technology in China.
作为一种新的广告和信息交流的途径，手机短信服务现已经普遍应用。

Application testing is really the killer application for PaaS, and it comes with the largest ROI.
FORBES: ROI of the Cloud, Part 1: PaaS
Worse, Microsoft has not got much to show for its huge investments in online search, the killer application in Google's cloud.
ECONOMIST: Microsoft after Gates
It may not be long before some proverbial teenager in a garage invents the next killer application, and gives the industry back at least some of its legendary buzz.
ECONOMIST: High-tech companies

杀手级应用
The 3rd generation mobile communication technology (3G) has been booming in the world. Video application, being the core of the 3G’s "killer application", has become research institutions’ hot topic.
随着3G移动通信技术在世界范围内的蓬勃发展，以视频多媒体应用为核心的3G“杀手级应用”，成为工业界及相关研究机构的研究热点。
经济学
杀手级应用