英汉词典

Proterozoic 基本解释

n.& adj.

原生代（的）；

英英释义

Proterozoic

n.from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms

同义词：Proterozoic eonProterozoic aeon

adj.formed in the later of two divisions of the Precambrian era

"proterozoic life forms"

Proterozoic 相关例句

词组短语

proterozoic era元古代；原生代

双语例句

用作名词(n.)

1. Early Proterozoic high-pressure metamorphism in the Wutaishan.
   五台山早元古代高压变质作用研究。
2. Wangjiawaizi gold deposit occurrs in Lower Proterozoic opimetamorphic rock series.
   王家崴子金矿床赋存于辽南古元古代浅变质岩系中。

用作形容词(adj.)

1. Boron deposits of eastern Liaoning occur in a suite of Early Proterozoic metamorphic rocks, with boron orebodies existent in magnesian marble.
   辽东硼矿床产于早元古代的一套变质岩内，硼矿体赋存于镁质大理岩中。

权威例句

Eukaryotic Organisms in Proterozoic Oceans
Late Proterozoic Low-Latitude Global Glaciation: The Snowball Earth
Eumetazoan Fossils in Terminal Proterozoic Phosphorites?
Microbial Mats in Terminal Proterozoic Siliciclastics: Ediacaran Death Masks
Late Proterozoic rise in atmospheric oxygen concentration inferred from phylogenetic and sulphur-isotope studies
Geological characteristics and tectonic setting of proterozoic iron oxide (CuUAuREE) deposits
Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia
Macroscopic Carbonaceous Compressions in a Terminal Proterozoic Shale: A Systematic Reassessment of the Miaohe Biota, South China
Neodymium isotopes in the Colorado Front Range and crust|[ndash]|mantle evolution in the Proterozoic
Origin of the Eumetazoa: Testing ecological predictions of molecular clocks against the Proterozoic fossil record