单词	umbral index--dummy index
释义	dummy index ; umbral index哑指针
随便看	catastrophe psychosis catastrophes catastrophe theory catastrophe， nuclear catastrophic catastrophical catastrophically catastrophic breakdown temperature catastrophic cancellation catastrophic climate change catastrophic code catastrophic--convolutional code catastrophic convo-lutonal catastrophic convo-lutonal--code catastrophic degradation catastrophic disasters catastrophic error catastrophic error propagation catastrophic failure catastrophic failure (for wind turbines) catastrophic failure of wind turbine catastrophic hazard catastrophic hypothesis catastrophic instability catastrophic loss