Collaborative filtering (CF) is a technique, popularized by Amazon and others, that USES user information such as ratings, clicks, and purchases to provide recommendations to other site users.

协作筛选(CF)是Amazon等公司极为推崇的一项技巧，它使用评分、单击和购买等用户信息为其他站点用户提供推荐产品。

youdao

This downloads a fairly large chunk of data (which is why we needed a 128mb CF card) — we're getting a list of the available packages for this version of Debian.

该命令会下载大量数据(这就是为什么我们需要128 MB cf卡的原因了)—我们正在获取这个Debian版本可用的软件包的列表。

youdao

Once this is all in place, you should have a CF card that will simply boot and come up on your target system.

一旦这些都设置好了之后，您就应该有了一个完全能在您的目标系统上引导和运行的 CF 卡。

youdao

Among the largest underlying components of RSP, in trading today Motorola Mobility Holdings Incorporated ( NYSE: MMI) is off about 0.3%, CF Industries Holdings Incorporated ( NYSE: CF) is down about 1.8%, and Mastercard Incorporated ( NYSE: MA) is lower by about 1.9%.

FORBES: Investors Buy Into An Equal Weight Approach To The S&P 500

Among the largest underlying components of VO, in trading today Health Care REIT Inc. ( NYSE: HCN) is up about 0.2%, Ross Stores, Inc. ( NASD: ROST) is off about 0.1%, and CF Industries Holdings Inc ( NYSE: CF) is lower by about 1.2%.

FORBES: Noteworthy ETF Inflows: VO, HCN, ROST, CF

"The thing about patients with CF is that they're good scientists, " he said.

NPR: Excerpt: 'Better: A Surgeon's Notes on Performance'