Archaean

英音[ ɑːˈkɪən ] 美音[ ɑːrˈkiːən ]
太古代
常用释义
adj. 太古代的
n. [地质] 太古代

扩展信息

太古代的
英语新词汇与常用词汇的翻译(A) ... arch 拱门 Archaean 太古代的 archaeological 考古学的 ...
太古宙
...ecambrian）是25亿年前至5亿4千万年前，太古宙（Archaean）则是45亿5千万年前至25亿年前。
太古宇
（一）宇的符号用两个大写字母表示，如 冥古宇（Hadean） HD 太古宇（Archaean） AR 元古宇（Proterzoic） PT 显生宇（P…
前太古代
...最下面这行是时间(Time)轴，最左边是3.8亿年前太古代(Archaean)，最右边是现在新生代(Caenozoic)；往上这一行是气候(Cli…
古时代
．图廿三：在元古时代(Archaean)的岩石内，找到的碳氢化合物（卅一亿年前），可以当作生物性的指标分子(Molecularmarker…

例句

Evidence for life has bee found in the Archaean about 3. 8 billion years ago, but life did not become abundant until the Phanerozoic.

The Archaean era limestone aquifer close to No. 10 coalbed is the direct aquifer of it.

Recent studies show, however, that rapakivi granites can be formed in age from Archaean to Phanerozoic and can even occur in orogen.

However, contrary to previous views, there is no isotopic evidence that Archaean rocks are present in the Mashan Complex.

The mother rock derived form Archaean and Early Proterozoic metamorphic rock from the north-east part of Ordos Basin.

Archaean rocks are rare because the exposed rock mass diminishes markedly with age due to erosion, burial, and subduction.

同义词

n.
[地质]太古代
archeozoic era

同根词(词根Archean)

Archean adj 太古代的
Archanthropinae n [人类] 太古人亚科
Archean n 太古代

更新时间：2025-07-12 15:24