To improve the performance and lower the storage requirements of this routine, the estimation can be based on a subset of the data using extremely fast sampling on the page level.

为了改进性能并降低例程的存储要求，估算可使用页面级的极快速取样基于数据的一个子集。

youdao

FreeBSD has developed a reputation for being a fast, high-performance and extremely stable operating system, especially suitable for web serving and similar tasks.

FreeBSD开发作为一个快速，高性能和极其稳定的操作系统，尤其是适合网络服务器和类似任务。

youdao

Amazon DynamoDB is a fully managed NoSQL database service that provides extremely fast and predictable performance with seamless scalability.

ENGADGET: Amazon's Q1 2012 earnings: net income down 35 percent to $130 million, net sales at $13.18 billion

As high-end smartphone designs continue to push the envelope with even more sophisticated capabilities and high-performance applications, from ultra-fast Web browsing to console-quality gaming, the need for extremely accurate touchscreen performance with minimal latency and noise interference is a must have.

ENGADGET: Synaptics launches a pair of mobile touchscreens at MWC 2013

The P7700 delivers extremely rapid performance from a quick startup time to lightning-fast autofocus recognition to help ensure the moment is captured.

ENGADGET: Nikon intros flagship Coolpix P7700 for prosumers, diminutive Coolpix S01 for fashionistas