英语词汇“helderbergian”的英文翻译、意思、用法、释义-英汉汉英词典-喷码机网

单词	helderbergian
释义	Helderbergian [,heldə'bə:ɡiən] n.【地质学】海德贝格阶以上来源于：《21世纪大英汉词典》 Helderbergian海得贝格统{下部泥盆系}Helderbergian海得贝格统〔早泥盆纪〕Helderbergian海得貝格統〔早泥盆紀〕地質學名詞Helderbergian海得貝格統{下部泥盆系}地球科學名詞—地質
随便看	operations per second，oss的意思 operationsplan的意思 operations planning的意思 operations related outage的意思 operations research的意思 operations research cycle的意思 operations research dynamic programming的意思 operations research model的意思 operations research ; operational research的意思 operations research [= operational research]的意思 operations research (or)的意思 operations research {=or}的意思 operations research(or)的意思 operations research--or的意思 operations research{=or}的意思 operations research society of america的意思 operations research society of american的意思 operations research society of american (orsa)的意思 operations research society of america (orsa)的意思 operations research society of america {=orsa}的意思 operations research society of america，orsa的意思 operations research　的意思 operations research，or的意思 operations room的意思 operations schedule的意思