bbb
释义n.血脑屏障;束支传导阻滞;血脑障壁
bed, breakfast, and bath (提供)住宿;basic boxed base 基本盒式底座;beleaguered by bullets and burglars 遭到子弹和窃贼围攻;triple black 三个B的(软铅)铅笔; 1、EB and CG were used to evaluate the permeability of the blood brain barrier (BBB).
用伊文蓝(EB)、胶体金 ( CG ) 示踪血脑屏障(BBB)通透性变化.
2、Irelan disno wtrading at theim pliedratingof"BBB,"downsixnotchesfromitscurrentratingof "AA" where it traded in January.
爱尔兰CDS现在的隐含评级为“BBB”，较目前的“AA”评级低六个级距。
3、Investors might be tempted by the fatyieldson so-calledjunk bonds,issued by companies with credit ratings below BBB.
投资者可能会被信用评级低于BBB的企业发售的垃圾债券的丰厚收益所吸引。