英语词汇secondary efficiency是什么意思，secondary efficiency的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	secondary efficiency
释义	secondary efficiency　二次效率
随便看	planning horizon planning imformation planning index planning map planning metholology planning nature planning network planning of products planning permission planning permission planning permission planning permission planning personnel planning process planning process planning programming planning section planning software planning software planning spider planning stage planning stage planning stage planning stages planning strategy

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。