keyed collections
键集合
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Ranges are named collections that are keyed by a numerical range limit and have a String value representing the name of the numerical range.
Ranges是指定的收集，它由数值范围限制键控，并且拥有一个表示数值范围名称的string值。
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That would keep benefits in inflationary periods from racing far ahead of tax collections, which are keyed to the rise in wages.
CNN: A Debt-Threatened Dream
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