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- On the geological time scale mankind has existed but for a brief moment. 人类在地质年代表中已经存在,但时间不长。
- Era A unit of the geological time scale that is made up of several periods, e.g. the Mesozoic Era comprises the Triassic, Jurassic, and Cretaceous periods. 代:量度地质时期的分类单位,代由若干时期组成,如中生代包括三叠纪、侏罗纪和白垩纪。
- The sudden appearance of abundant and varied fossils makes a worldwide time line for dividing the geological time scale into two main parts. 丰富多样的化石的突然出现为在世界范围内把地质年代划分为两大主要部份提供了时间界限。
- There was a diversification of the gymnosperms, and fossil groups such as the Bennettitales and Caytoniales evolved during this period.See also geological time scale. 在这一时期存在的裸子植物发生了分化,有本内苏铁目Bennettitales和开通目Caytoniales的化石可以证明。
- Holocene(Recent) The present epoch in the geological time scale, being the second epoch of the Quaternary period, dating from the end of the last glaciation, about 10000 years ago, to the present day. 全新世:在地质学上指第四纪的第二阶段的整个时期,它终止于最后一个冰川期,距今大约10000年。
- Like the historians who reconstruct the history of civilization, the earth historians reconstruct the history of the earth. Geologists have devised a special geological time scale in reference to the earth's evolution. 像历史学家重建人类文明史那样,地球历史学家重建地球的历史。地质学家们根据地球的演化历史,设计出一种特殊的地质年代表。
- McGraw-Hill tends to include more appendixes [than competition], such as geological time scales and electronic symbols...libraries will be well served by the McGraw-Hill titles. 麦格劳-希尔倾向于包括更多的附录 [比竞争 ],例如地质时标和电子符号图书馆麦格劳-希尔称号将很好地提供。
- Nuclear-Transfer Energy and Theortical Geological Time Scale 核转变能与理论地质年表
- THE GEOLOGICAL TIME SCALE AND CLIMATIC EVENTS FROM STALAGMITES IN THE LATE OR RECENT QUATERNARY PERIOD IN THE LIBO AREA, GUIZHOU, SOUTHWEST CHINA 贵州荔波第四纪晚近期石笋地质年表与气候事件
- In the geological time scale, there are five eras, the archeozoic which means "beginning life", the Proterozoic which means "fore life", 在地质年代表中共划分为5个代,太古代的意思是 “生命的开始”。元古代意即“生命之前”,
- IMPERFECT GEOLOGIC TIME SCALE--PENDING FUTURE OF THE QUATERNARY 尚未完成的地质年代表--第四纪悬而未决的前程
- In evolution, a generation sets the time scale. 在进化中,一代有固定的时间尺度。
- PAF charts do not have a proportioned time scale. 点数图没有成比例的时间刻度.
- geological time scale 地质时标
- A hiatus is the total interval of geologic time. 一个沉积间断是地质时间的总间隔。
- "One has the feeling," she wrote, "that only the distant billennia of geological time can provide any adequate concept of the scale of the upheaval. “人们感到,”她写道,“只有长达数十亿年的久远的地质时期能够提供一点关于(这种)剧变规模的恰当概念:
- Biochronology The measurement of geological time using biological events. 生物年代学:使用生物学事件来测量地质学时间。
- "natural" Geological Time Scale “自然的”地质年表
- Even if it took a hundred years, that is but a nano-blink in geological time. 即使是上百年的时光,从地质学的感念上来讲也不过是一个瞬间。
- The motion at this time scale is clearly dominated by this model. 采用这种时间尺度时,运动显然由这种模式所决定。