This class provides support for classes that base key values on other object values, where the objects passed in assure uniqueness of the generated resource keys.

这个类别为以其他物件值为其索引键值基础的类别提供支援，同时传入的物件可确保产生之资源索引键的唯一性。

youdao

"Bringing out the base" is the key to winning.

“把基地显露出来”是赢取胜利的关键。

youdao

Many of the key base classes also picked some frequently requested helper function.

很多关键的基类也挑选了一些被大家经常要求的辅助函数予以实现。

youdao

The United States maintains a key logistical military air base outside Bishkek to support NATO operations to fight insurgents in Afghanistan.

VOA: standard.2010.04.12

The man in the newly released video , is identified as Humam Khalil Abu-Mulal al-Balawi, who blew himself up inside a key U.S base in an eastern Afghan region bordering Pakistan.

VOA: standard.2010.01.09

Mr Davies confirmed that science and a robust evidential base were key to reform and that he had asked officials to strengthen the evidence around key stocks covered by the Common Fisheries Policy.

BBC: Statement on the Welsh Fisheries Strategy

However to remain competitive, Toshiba needs a technology base with its key component suppliers.

FORBES: Toshiba Makes Strategic Partnerships In Order to Compete in Hard Disk Drives

Further strengthening this retail base is a key part of our development strategy.

ECONOMIST: Russia's rotten statelets