Over 150 companies bid for licences divided into regions and cities, allowing operators to cobble together nationwide coverage or concentrate their efforts.

超过150家公司竞拍被划分到地区和城市的无线电许可，拥有了许可之后，运营商既可以将联合起来将无线服务覆盖全国也可以量力而行地集中地区服务。

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We can also introduce the concept of an interest coverage ratio, with monthly income divided by interest expense.

我们还可以引入一个利息保障倍数的概念，用月收入除以利息支出。

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Coverage ratio a leverage ratio, represented as earnings before fixed charges and taxes divided by fixed charges. Fixed charges include interest, required principal repayments, and lease expenses.

固定费用保障比率以扣除固定费用和税款之前的盈利数，除以固定费用所得的一项杠杆比率。固定费用包括利息、需要偿还的本金、以及租赁费用。

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The governments of Fernandez and Buenos Aires Mayor Mauricio Macri sought to blame each other for the chaos, and the nation's divided media focused their coverage in ways that put one side or the other in the worst light.

NPR: Argentina: Flooding From Torrential Rains Kill 52

It is also important to note that like all wireless services, the more customers using wireless broadband within a cell or cell sector (cell sites are normally divided into three equal sectors of 120-degree coverage each), the slower the network will appear to those using it.

FORBES: Everything You Need To Know About 4G Wireless In 2011

Now Bucksbaum will hike his company's debt ratio from 56% to 70% and drive down its interest coverage (earnings before interest, taxes, depreciation and amortization divided by interest) from two to 1.6 times.

FORBES: General Growth Revives The All-Debt Deal