信用评级与国库债券的关系不大，远远不如与公司债券之间的关系。
A credit rating is far less relevant to Treasury bonds than it is to, say, a corporate bond.
现在，如果投资者认为某公司的信用状况会恶化，他可以买入该公司债券的CDS，不论是否持有该公司债券。
Now investors who believe that credit conditions will deteriorate for a particular company can buy a CDS on the bond, whether or not they own it.
也就是说，当穆迪将一种债务担保证券、一种公司债券和一种主权债券均评为AA级，那就意味着穆迪认为这三种债券的信用程度是相同的。
So when Moody's says a collateralized debt obligation, a corporate bond and a sovereign issue are all rated AA, the implication is that the three types of bonds are equally healthy.
在3020亿美元AIG信用保险契约中，大约2350亿美元是卖给了外国银行，而且相关债务是优级住房抵押贷款以及公司债券。
Of the $302 billion in insurance outstanding at A.I.G., about $235 billion was sold to foreign banks and covers prime home mortgages and corporate loans.
各信用评级的发行期限更为丰富与完整，将有利于形成合理的公司债券收益率曲线，为二级市场流通提供定价基准。
The maturity of various credit rating bond is more abundance will help to build up a rational corporate bond yield curve, and provide pricing benchmark for secondary market circulation.
与此相反，由于公司债券的信用风险，个人投资者的关注，在一次利率债务上海指数大幅下跌。
In contrast, due to individual investors in the corporate bond credit risk concerns, the Shanghai index at one time rate debt fell sharply.
公司债券无抵押债务，只依赖借方信用质量作为支持，并无抵押品，协议属于契约形式。
Debenture an unsecured debt backed only by the credit worthiness of the borrower. There is no collateral, and the agreement is documented by an indenture.
他们为债券发行实体以及特定的公司债券评定等级。从而给投资者一定的指导，让他们了解公司的信用等级，以及潜在的风险。
They assign ratings both to entities issuing bonds and to specific corporate bond issues. This gives investors a guide as to their credit quality, which indicates possible risks.
信用违约交换（CDS）市场预示，公司债券违约率将出现飞速上升。
The market for credit default swaps is pointing to a surge in defaults on corporate bonds.
这些评级机构决定所需的信用增级程度，以便获得可用于与具有相同评级的公司债券比较的信用评级。
These agencies determine the amount of credit enhancement required to produce a credit quality comparable to that of a same-rated corporate bond.
这些评级机构决定所需的信用增级程度，以便获得可用于与具有相同评级的公司债券比较的信用评级。
These agencies determine the amount of credit enhancement required to produce a credit quality comparable to that of a same-rated corporate bond.
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