作为地球气候变化的指标，同位素记录有两个优势。
As an indicator of shifts in the Earth's climate, the isotope record has two advantages.
中国南部石笋氧同位素记录记载了重要的气候变化信息。
Oxygen isotope records of stalagmites from Southern China provide very important climatic information.
它们的初现面年龄与SPECMAP氧同位素记录结合为该柱建立了地层框架。
The stratigraphic framework of this core is established by the combination of the two FAD ages with the SPECMAP isotopic records in deep-sea sediments.
这是一个全球性的记录：在取自不同大陆位置的沉积标本中，同位素比率的变化非常小。
It is a global record: there is remarkably little variation in isotope ratios in sedimentary specimens taken from different continental locations.
同位素年代记录显示，过去几十万年全球冰量的波动有一个模式：冰河期大约每10万年发生一次。
The dated isotope record shows that the fluctuations in global ice volume over the past several hundred thousand years have a pattern: an ice age occurs roughly once every 100,000 years.
证据就存在于海洋泥土，花粉化石和记录温度变化的化学同位素比值变化之中。
The evidence lies in ocean mud, in fossil pollen, and in changes in ratio of chemical isotopes that record shifts in temperature.
气温变化周期是根据氧同位素测定的大量远古温度记录而推演出来的。 气温变化周期与人类演化进程的对照，暗示“黄金时期”与气候急剧波动而短暂的时期相对应。
What marked out this period was a greater range of recorded temperatures, suggesting it was a time of rapid but short-lived fluctuations in climate.
他们然后使用当地的降雪记录来寻找有气象记录的年代里降雪量和树木年轮中氧元素同位素的比率之间的关系。
They then used local snowfall records to find the relationship between precipitation and the proportion of heavy oxygen in tree rings for the years covered by the weather records.
帕米尔地区碰撞构造的岩石与同位素年龄，记录了印度板块对亚洲板块的运动，经历了俯冲、碰撞和榨挤3个阶段。
The rocks and isotopic age of collisional structures in Pamir Plateau recorded the movement of Indian plate towards Asian plate, which passed through 3 stages of subduction, collision and squeezing.
环境记录显示，末次冰期间冰阶(即氧同位素3阶段)期间该区呈现出极端冷湿的气候环境。
Environmental records show that in that area the environment was extremely cold and wet during the interstage of the last glaciation (deep sea oxygen isotope stage 3).
它记录了特定元素的原子包含有多少质子和电子，它使我们能够计算大多数元素最常见的同位素中中子的数目。
It records how many protons and electrons the atoms of a particular element contain. It permits us to calculate the number of neutrons in the most common isotope for most elements.
因此，铅的同位素研究对于解释青铜时代的考古记录来说可能会证明甚为有用。
Lead isotope studies may thus prove useful for interpreting the archaeological record of the Bronze Age.
一项研究报告说，科学家可以通过分析象尾毛发的同位素成分从而读出一头象的多年饮食记录。
The dietary and movement history of individual animals can be studied using stable isotope records in animal tissues, providing insight into long-term ecological dynamics and a species niche.
煤层气甲烷碳同位素值记录了煤层气成藏和开发过程中的一些有用信息。
The value of carbon isotope in coalbed methane (CBM) helps depict some useful information related to CBM gas pool forming and development.
土壤碳酸盐中碳稳定同位素是记录古气候变化信息的重要载体。
Carbon isotope in soil carbonates is an important paleoclimate data carrier.
土壤碳酸盐中碳稳定同位素是记录古气候变化信息的重要载体。
Carbon isotope in soil carbonates is an important paleoclimate data carrier.
应用推荐