The archaean and katarchaean units are preserved mainly as relic masses . 太古界与远太古界主要作为残余体保存下来。
2.
In fact , all life during the more than one billion years of the archaean was bacterial 实际上,所有生活在archaean的超过一十亿年期间是细菌的。
3.
It was early in the archaean era , 3 . 8 to 2 . 5 billion years ago , that life first appeared on earth 它在及早在archaean时代, 3 . 8到2 . 5十亿年前,生活第一次出现在地球上。
4.
Archaean cell walls lack murein , a common component of bacterial cell walls , and their lipids have ether links rather than ester links 古细菌的细胞壁缺乏细菌细胞壁组成的普遍物质-胞壁质，其连接是醚连接而不是酯连接。
5.
Focused on archaean fractured reservoir of metamorphic rock in the damintun depression of liaohe basin , by the newly studied methods , the author predicts fractures in buried hills by drilling , coring , well logging and seismic data intergrately 本文以辽河盆地大民屯凹陷太古界变质岩裂缝性储层为研究对象，从技术研究的角度出发，首次探索了利用钻井取芯、测井和地震资料综合预测潜山裂缝发育的方法。
6.
It suggests that gold accumulation occurred in the every main stage of geologic history of fujian from late - archaean era to quaternary period but the scale and the feature of the gold accumulation are different in different stage and yanshan metallogenic epoch is the most important period of mineralization of fujian gold deposits 提出福建省内自晚太古代至第四纪的各个地质历史发展的主要阶段均有金的富集作用，但不同阶段所形成的金富集规模及特征明显有别，燕山期为福建省金矿最重要的成矿期。
