DBRS的音标

Secondly, we add a resonant cavity constructed by the top and bottom distributed Bragg reflectors ( DBRs) to the GaAs/ AlGaAs LED, the dependences of NIR photon extraction efficiency on the DBR parameters have been studied.

然后在GaAs/AlGaAs LED顶部和底部分别加上分布式布拉格反射镜（DBR）构成谐振腔，研究了DBR谐振腔存在时LED的光子出射效率。

Still, this month's53% stock-price drop could prompt some of Citigroup's trading partners to start'pulling away,'says Roger Lister, chief credit offer of credit-rating firm DBRS.

不过，信用评级机构DBRS的首席信用长罗杰·李斯特尔（Roger Lister）说，本月53%的股价跌幅可能促使花旗集团的一些交易伙伴开始对其敬而远之。

"This one is our report on the deal," he says, pointing to the much thicker of the two. "This little Doily underneath is the DBRs report."

他指着比较厚的一份说：“这是我们做的交易报告，下面这份桌垫一样薄的是dbrs的报告。”