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- Further evidence could come from the fossil record. 进一步的证据可能要借助于化石记录。
- Miocene flora from Markam County and fossil record of Betulaceae. 芒康中新纪植物及桦木科植物的分布历史.
- But so far the fossil record upholds other predictions of the team's model. 不过,目前为止,化石证据支持该模型其他的推测结果。
- There is a grave and unmistakable lack of intermediates in the fossil record. 在化石记录中,中间环节有确凿而严重的缺失。
- Although the fossil record is incomplete, it still gives us a broadbrush outline of what happened. 尽管化石记录不很完全,但仍然给我们一幅关于到底发生了什么事情的大体轮廓。
- The first is a simple consideration of the ecological re suits of environmental conditions produced by such an impact compared to the fossil record. 首先一个简单明了的考虑是,这样一次撞击所引起的环境变化的生态效果与地质记录之间的冲突。
- The preservation of embryos and juveniles is a rate occurrence in the fossil record. 胚胎与幼体被保存下来在化石记录中是少见的事情。
- And in places like India and China, where the fossil record is scanty, the genetic history will be the only history. 像印度和中国这些地方,就缺少化石证据,遗传史将是惟一的历史。
- Fossil records from two million years ago show evidence of jaguars. 两百万年前,古老的记录中已有美洲豹的记录。
- The first animals in the fossil record appeared between 620 and 550 million years ago in the Vendian Period. 第一动物在化石纪录出现在620和550百万之间年前在Vendian期间。
- Although the fossil record is incomplete, it still gives us a broad brush outline of what happened. 尽管化石记录不很完全,但仍然给我们一幅关于到底发生了什么事情的大体轮廓。
- Indeed, they often act as a linguistic fossil record, preserving objects and behaviour that have long since fallen into petrified obsolescence. 事实上,它们常常充当的是语言上的化石记录,保存着那些很早前就已经变成僵化的过时货的对象与行为。
- In addition, the fossil record of early mammals is quite sparse, apart from very late in the Mesozoic. 此外,早期哺乳类的化石记录极为贫乏,一直到中生代末期才有可观之处。
- For example, the fossil record shows elephants that found their way onto islands millions of years ago shrank rapidly. 例如,化石记录显示,数百万年前开始到岛屿上生存的象群数量减少非常迅速。
- Yet despite more than a century of digging, the fossil record remains maddeningly sparse. 然而,尽管经过了一个多世纪的挖掘,化石的记录仍极其稀少。
- To our delight, Madagascar has once again filled in two mysterious gaps in the fossil record. 令我们高兴的是,马达加斯加再度为化石记录中两个神秘的鸿沟提供了资料。
- Gaps in the fossil record have led some paleontologists to propose the punctuated equilibrium theory of evolution. 化石证据上的断代使古生物学家们提出间断平衡进化理论。
- One expert called it "a fantastic discovery" that fills a crucial gap in the fossil record. 一位专家称,它是填补了化石记载关键空白的“一个奇妙的发现”。
- From the fossil record, the late Archean large number of fungi and lower cyanobacteria. 从化石记录,太古宙晚期出现大量的菌类和低等的蓝藻。
- Lacking a perfect fossil record or recourse to a time machine, we may never piece together the entire puzzle of tetrapod evolution. 缺乏完美的化石记录或时光机,我们可能永远无法得到四足动物演化的完整图像。
