Credit ratings range from a high AAA to a low d.

信用评级的范围从最高的AAA级到最低的D级。

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Greece and Portugal have already had their credit ratings cut.

希腊和葡萄牙已经遭到信用降级。

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Some of the worst abuses in securitisation stemmed from the use of credit ratings.

证券化一些最严重的错弊起源于信贷评级的使用。

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Portugal and Spain have also had their credit ratings reduced.

VOA: special.2010.05.07

It was the mass-issuance of mortgages to consumers with poor credit ratings that led to a rash of mortgage defaults and home foreclosures beginning in late 2007.

VOA: standard.2009.10.01

International ratings agencies say Thailand's credit rating is at risk unless long term political divisions are resolved.

VOA: standard.2010.05.21

It is unaffected by credit ratings or other evidence about a company's financial condition.

ECONOMIST: American pensions

That will increase the severity of their economic downturn and lower their credit ratings.

FORBES: Magazine Article

Because the U.S. utility sector is so capital intensive, it must maintain investment-grade credit ratings.

FORBES: Energy Infrastructure: Critical to Economic Momentum