年代学的 meaning in Chinese
chronological
Examples
- The ancient people worshiped the astronomical phenomena very much ; they recorded many events in related with the astronomical phenomena
古人迷信天时，很多事件的发生都与天象联系而记录下来，是研究历法和天文年代学的基本资料。 - A method of estimating the age of wood called dendrochronology was used to establish that the panel on which the image was painted dated back to between 1560 and 1592 , the national portrait gallery in london said
伦敦国家肖像美术馆指出，一种称为树木年代学的树木年轮推估法，被用来确认画像绘板的年代可溯及1560至1592年之间。 - K - ar age dating method is facing a serious challenge to its application due to that both ar loss and ar excess are widespread found even though it has been undergoing 50 years . in the latest few years of the 20th century , studies on k - ar geochronology have been pushing on a new step as a sign of method perfected and precision enhanced . high precision and high resolution
Ar定年方法的完善和精度的提高为标志，把k - ar年代学研究推向了一个新高度。微区微量高精度高分辨定年，把定年时限扩展到人类历史范畴，精细的分析技术拓宽了年代学的应用范围，使之解决的地质问题更广泛。 - On the basis of study on petrology , volcanic geology , geochemistry , isotopic chronology , antitheses of the regional strata and 4 suits of volcanic rock stratum of the yanshan - liaoning area , the rhythm of yanshanian volcanic activity is divided into 1 gigantic - cycle , 4 cycles , 11 micro - cycles , 24 sub - cycles and many rhythms . in addition , the temporal and spatial evolution and regional contrast of every - level rhythms are discussed . 3 . based on the study on classifications of rhythm of volcanic activity and regional contrast , the petrology , mineralogy , geochemistry , and isotopic characteristics of every - level rhythms are discussed
2 、通过对燕辽地区燕山期发育的四套火山岩的岩石学、火山地质学、地球化学、同位素年代学的综合研究，通过运用综合方法进行区域地层对比和分析火山喷发盆地火山岩地层特征的基础上，将本区燕山期火山活动节律，划分为1个二级节律(大旋回) 、 4个三级节律(旋回) 、 11个亚三级节律(小旋回) 、 24个四级节律(亚旋回)和多个五级节律(韵律)等，论述了各级火山活动节律特征及其时空演化和区域对比。