geological period meaning in English
地质年代
地质时代
Examples
- Rock salt , or halite , is mined from natural deposits formed by the shrinking of seas during geological periods
岩盐或岩盐，被开采自然沉淀在地质学的期间。 - Such variations in properties further indicate the complexity of the formation processes and evolution of the lithosphere over long geological periods
性质和结构的差异体现了岩石圈形成和长期演化过程的复杂性。 - Of the eons of geological periods recorded in the stratifications of the earth : of the myriad minute entomological organic existences concealed in cavities of the earth , beneath removable stones , in hives and mounds , of microbes , germs , bacteria , bacilli , spermatozoa : of the incalculable trillions of billions of millions of imperceptible molecules contained by cohesion of molecular affinity in a single pinhead : of the universe of human serum constellated with red and white bodies , themselves universes of void space constellated with other bodies , each , in continuity , its universe of divisible component bodies of which each was again divisible in divisions of redivisible component bodies , dividends and divisors ever diminishing without actual division till , if the progress were carried far enough , nought nowhere was never reached
隐藏在大地的洞穴里和能移动的石头底下蜂巢和土墩子中那无数微小的昆虫类的有机生物：微生物病菌细菌杆菌精子凭着分子的亲和之凝聚力而粘在一根针尖上那几万几亿几兆个多不胜数肉眼看不到的微小颗粒人类的血浆是一个宇宙，群集着白血球和红血球，每个血球又各自形成一个空虚的宇宙空间，群集着其他球体各个球体连续性地也是由可分割的构成体形成的宇宙，各个构成体又可以分割成为几个能够进一步分割的构成体。就这样，分子与分母实际上在并未分割的情况下就不断地减少了。如果这个过程延续到一定时候，就永远在任何地方也不会达到零。 - This paper bases on the evolved process of environmental conditions during geological period , in west zhuo zi mountain and nearby area . it discusses the evolve process of natural environment before cenozoic era of this area and analyses the relationship between rare phytocoenology and the econological environment conditions of paleoclimate , paleogeology , paleoorganisms before cenozoic era of this area
以西桌子山及其邻近地区在地质历史时期环境条件演变过程为主线，论述了该地区在新生代以前的自然环境演变过程，分析总结了西桌子山地区在新生代之前的古气候、古地质、古生物等生态环境条件与珍稀植物群发生的关系