单词：oxygen-isotope method
单词：oxygen-isotope method 相关文章
我上个月坐火车到纽约去看朋友，上车后刚要坐下，旁边座位上的女乘客就开始很大声的自言自语，看上去精神好像不太正常，吓得我只好在过道对面远远地坐下。 后来我注意到，每次有人要
美国习惯用语
Books and Arts;New film 文艺；新片上映 Method in the madness 疯狂中的理智 A searching look at what caused the split between Freud and Jung 深度挖掘：弗洛伊德、荣格决裂的原因 Psychoanalysis, as practised by Carl Jung and
经济学人文艺系列
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola
Scientific American(七)月
And how, you may reasonably wonder, can scientists know what oxygen levels were like hundreds of millions of years ago? 你也许有理由想知道，科学家们怎么会知道几亿年以前的氧气浓度？ The answer lies in a slightly obscure b
万物简史
By combining their isotope findings with other fossil residuespollen levels and so on, 把对同位素测量的结果和能够说明其他情况（如花粉浓度等）的别的化石残留物结合起来， scientists can, with considerable confiden
万物简史
Perhaps. Or, proceeding in a more convenient, more economical, and consequently more probable fashion, 或者是这样。或者，他是用更方便，更经济，而且更可能的方法， was he satisfied with merely returning to breathe at the su
《海底两万里》中英双语有声读物