查询词典 Archean

Reflecting the crustal evolution process of the Archean continent from formation to splitting to close and vertical thickening.

反映了太古宙古大陆形成-裂解-闭合的横向增生和垂向加厚的地壳演化过程。

Dial back the clock nearly 4 billion years, to a time called the Archean, and the sun would appear about 30% dimmer than it is now.

把时钟拨回到将近四十亿年前，回到一个叫做"太古代"的时期，当时的太阳光线看起来比现在要弱大约30%。

Komatiite, as an indication of an Archean greenstone belt, has long attracted attention of geologists.

科马提岩作为太古代绿岩带的一个标志，一直受到广大地质工作者的重视。

These data imply that nitrifying and denitrifying microbes had already evolved by the late Archean and were present before oxygen first began to accumulate in the atmosphere.

这些发现提示，至少有一个主要的氮素加工细菌组在地球的大气变得富含氧气之前就已经演化而成了。（生物谷 Bioon.com

It is an important Archean stratum in China and consists of a rock association of the Fuping katametamorphic greenstone belt.

阜平岩群主要分布在太行山北段，是我国太古宙重要的地层单元，并构成阜平深变质绿岩带的岩石组合。

Felsic gneiss is the most widely distributed rock type in Archean metamorphic complex areas.

长英质片麻岩是太古宙变质杂岩区最主要的岩石类型。

LUCA is defined as most recent organism from which all organisms now living on Earth descend (some 3.5 to 3.8 billion years ago, in the Archean era).

LUCA被定义为最近的有机体，所有现在生活在地球上的生物体都是从这一有机体传下来的（在太古时期，约35-38亿年前）。

Based on the ratio of the minerals, the team reports in tomorrow's issue of Nature that CO2 levels during the Archean could have been no higher than about 1000 parts per million—about three times the current level of 387 ppm and not high enough to compensate for the weak sun.

根据两种矿物的比例，研究小组在明天出版的《自然》杂志上报道说：在太古代期间，二氧化碳的水平决不会高于大约百万分之一千（1000ppm）——大约三倍于目前的水平（387ppm），不足以弥补阳光的弱势。

Based on the ratio of the minerals the team reports in tomorrow's issue of Nature that CO2 levels during the Archean could have been no higher than about 1000 parts per million—about three times the current level of 387 ppm and not high enough to compensate for the weak sun.

根据两种矿物的比例，研究小组在明天出版的《自然》杂志上报道说：在太古代期间，二氧化碳的水平决不会高于大约奥︱分之一千（1000ppm ）——大约三倍于目前的水平（387ppm ），不足以弥补阳光的弱势。

In the last few years,some new advances have been made in the study of the metallogenic setting and ore-forming physicochemical conditions for Archean lode gold deposits .

主要介绍了近几年来关于太古代脉状金矿的产出环境、成矿物理化学条件等方面研究取得的一些新进展，如会聚构造环境成矿和地壳连续成矿模式的提出等；初步讨论了我国在太古代高级变质区寻找高温脉状金矿时应注意的问题。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。