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- Absolute age and paleomagnetism have been subjected to intensive studies. 绝对年龄和古地磁也已得到深入研究。
- One way to tell whether the lunar cataclysm actually occurred would be to determine the absolute age of the SPA basin. 想判断月球灾难是否曾发生的方法之一,就是确定SPA盆地的绝对年龄。
- Since the technique of age measurement by using illite can yield absolute age,it has received a great attention. 利用伊利石测年确定油气成藏期,能够得出其绝对年龄,因而受到人们重视。
- The determination of the absolute age of rocks,minerals and fossils, in years before the present, is the basis for the field of geochronology. 对各种岩石、矿物及化石的绝对年龄(距今以前的年数)的测定是地质年代学领域的基础。
- For the regional tectonic stability, several methods were used to investigate the geology and topography, determine absolute age, monitor present activity and microseismicity of the project region. 对区域构造稳定性采用了地质地貌调查及绝对年龄测定、现今活动状况长期监测及坝区微地震监测等方法;
- Scientists, however, know the absolute ages of only the basins that were visited by the Apollo and Luna missions. 不过,科学家只知道阿波罗和月球号任务造访过的盆地确实年龄。
- The geologic dating methods, which include the paleontology method, archeomagnetism method, and isotopic method, present absolute ages or relative ages of geologic events. 前人已建立的地质定年方法(同位素法、古生物法和古地磁法)给出的是地质事件的“绝对年龄”或“相对年代”。
- Determining absolute ages cannot be done from orbit;instead rock samples from these areas must be sent to Earth for detailed analysis or examined by future rovers that can perform radioisotope dating. 轨道卫星无法估计绝对年代,因此必须将这些地区的岩石样本送回地球做详细的分析,或者要等待未来,把可以做放射性同位素定年的探测车送上火星去做调查。
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- That hill's an absolute doddle (to climb). (爬)上那座山岗毫不费力。
- We now have the absolute proof of his guilt. 我们现在有他犯罪的确凿证据。
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- Her new dress is an absolute dream. 她的新连衣裙漂亮极了。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- My secretary is an absolute gem. 我的秘书真是个难能可贵的人。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- Age and wedlock we all desire and repent of. 成年与婚姻,均为我辈所欲,亦为我辈所悔。
