Pre-Cambrian period 前寒武纪 ; 先寒武纪前时代
pre cambrian era 前寒武纪
early pre-cambrian 早前寒武纪
terminal pre-cambrian 末前寒武纪
Caledonized Pre-Cambrian 加里东化之前寒武界
同义词： Precambrian Precambrian eon Precambrian aeon Precambrian period
以上来源于: WordNet
ADJ of, denoting, or formed in the earliest geological era, which lasted for about 4 000 000 000 years before the Cambrian period 前寒武纪(寒武纪前的时期，持续了大约四十亿年)的
N the Precambrian era 前寒武纪 →see Archaeozoic, Proterozoic
RD: I know you're working on a programme about Cambrian and pre-Cambrian fossils, David.
理查德·道金斯：大卫，我知道你正在做一个关于寒武纪和前寒武纪化石的专题节目。
Some researchers have pointed out the key to the regional correlation of the upper Pre-cambrian in South Liaoning is how to link and correlate with Jixian and Xiadong stratotypes.
辽南上元古界的区域对比的关键是如何与蓟县层型、峡东层型的衔接或对比。
Therefore the deficiency of pre-Cambrian fossil and the sudden emergence of Cambrian trilobite are like a double edged sword posing threat for the very foundation of Darwin evolutionism.
因而前寒武纪化石的缺失和寒武纪三叶虫等突发式出现，好象一把双刃剑，对达尔文演化学说的塔基构成了威胁。
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