beating engine

基本解释

As engines get smaller, yet maintain the power density of a larger engine, the valves in them tend to take a greater beating.
发动机越来越小巧，却仍保留了大号发动机的动力密度，这时气门会承受更大的热量。
Notice that this technique isn't "beating" on the engine, but rather taking a purposeful, methodical approach to sealing the rings.
此方法不是损害发动机而是一个有目的、有方法的达到密封环密封的过程。
Microsoft Bing became the 2nd most popular search engine in North America, beating Yahoo for the position, according to ad network Chitika.
广告网络Chitika发布最新数据显示，微软搜索引擎"必应"已超越雅虎，成为北美第二大搜索引擎。
www.chinadaily.com.cn

Gilder generally avoids software, but I've always regarded Inktomi's software search engine as the beating pulse of the Net.
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