单词tef
网络: 当量因子；毒性当量因子(Toxic equivalency factor)；法语水平测试
A fatality from a tracheoesophageal fistula (TEF) in two extremely low birth weight infants is presented.
的死亡率从气管食管瘘（毒性当量因子）在两个极低出生体重儿介绍。
WHO-TEF values have been established which apply to humans, mammals, birds and fish.
世卫组织毒性当量因子值已经得到确立，适用于人类、哺乳动物、鸟类和鱼类。
Have basic mechanical, pneumatic and hydraulic knowledge, can fix the general breakdown of all different machine in TEF Workshop;
有常规机械，气动、液压原理的基本知识，能修理各种机床的普通故障；
A Weight Adjustment Technique with Feature Weight Function Named TEF-WA in Text Categorization
文本分类中结合评估函数的TEF-WA权值调整技术