alternate key

基本解釋

For example testing alternate designs for key pages to see which performs better.
例如通過測試幾個可選的關(guān)鍵頁面設(shè)計，可以很明確的看到哪個設(shè)計表現(xiàn)更好。
The retrieval of a data record in an indexed file by the primary (or optionally, alternate) key within the data record .
在索引文件中，通過數(shù)據(jù)記錄中的主要關(guān)鍵字或可選關(guān)鍵字進行數(shù)據(jù)記錄的檢索的一種方法。
A container can either support strings as its keys, like the root object itself, or can use integers as an alternate key system instead.
容器可以支持將字符串作為其鍵值，就像根對象本身一樣，或者可以使用整數(shù)作為備選鍵值系統(tǒng)。

Last week, I penned a long op-ed offering an alternate plan that first establishes key solo franchises to help generate far more buzz and anticipation for a Justice League movie, as well as helping to give audience a far more thorough introduction to the characters and help make the superheroes more relatable to mainstream non-comics-reading viewers.
FORBES: Batman To Be Rebooted In Justice League Film, Report Says
Other key issues for the Illinois senator include a revamped energy policy focusing on increased efficiency and alternate technologies, and expanded health care coverage for all Americans.
FORBES: '08 Tracker: November
It will be of interest to readers that Wave C was exactly equal to Wave A. Once again, this fits in with the Elliott Wave theory that says alternate waves in a correction tend to be related by a Fibonacci ratio, and 100% is a key number.
FORBES: Elliott Waves Show Nosedive For Lockheed Martin In Defense Stock Sell Off