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- A remnant or trace of an organism of a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust. 化石埋置并保存于地层中的古生物遗体、遗物和其生活遗址,如骨骸、叶子的印痕等
- A remnant or trace of an organism of a past geologic age,such as a skeleton or leaf imprint,embedded and preserved in the earth's crust. 化石埋置并保存于地层中的古生物遗体、遗物和其生活遗址,如骨骸、叶子的印痕等。
- The rock mass of syenite porphyry in the north part of Babaoshan coal mine was demonstrated on its lithologic characters,geologic age and occurence. 从岩体的岩性、时代、产状等方面,论证了八宝山煤矿北部的正长斑岩体为一岩盖,下部找煤前景可观,可在井下实施巷探和定向钻探找煤,以延长矿井寿
- The fossil hominids were diagnosed as early Homo sapiens, with a cultural age of Middle Paleolithic, and geologic age of early Late Pleistocen. 产出丁村人及相应石器的一套地层被命名为丁村组。
- The sequence of some geological events related to the formation and evolution of ophiolite can give the restriction on its geologic ages. 测年时必须对所测对象的特征及性质进行详细的研究。
- Anthropocene emphasizes the core effect which human bring to geology and ecology.As a new geologic age, whether it is valid or not is still an argumentation. 人类世强调人类在地质和生态中的核心作用,这也是重要的,但作为新的地质时代,它是否能在科学上站得住脚,还需要进行论证。
- Chemical Th-U-total Pb isochron dating is a new method to calculate the geological ages based on EMPA dada of U, Th and Pb. 化学定年方法是利用电子探针分析副矿物中的U、Th、Pb含量而进行定年的一种新方法。
- The lithology of karst is pure carbonatite at geological age of intermediate Cambrian and intermediate Ordovician. 北方岩溶和岩溶水的开发利用,见于碑刻者亦可追溯至1000年前。
- A checklist of all described Ephemeroptera fossils, with their distribution and geological age is provided. 描述了不同地质时期主要蜉蝣化石的分类单元和分布地区。
- There are different geological ages of growth strata in antichne limbs of different structural zonrs,showing the different emplacement agse of the structural zones. 在不同构造带发育不同时代的生长地层,指示了各构造带不同的构造变形年代。
- There are different geological ages of growth strata in antichne limbs of different structural zones,showing the different emplacement ages of the structural zones. 在不同构造带发育不同时代的生长地层,指示了各构造带不同的构造变形年代。
- Exercise is profitable in all ages. 运动对于各年龄段都很有利。
- The ambers from the different localities may be of the same geological age, but exit the different ETIR absorption bands and strength according to the different polymeric grade. 不同产地的琥珀虽具有同样的地质年代,但由于聚合化程度不同,其红外吸收光谱峰的位置和强度存有差异。
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- He admires the chivalry of knights in Middle Ages. 他很佩服中世纪武士的侠义精神。
- It has its roots deep in the Middle Ages. 它起源于遥远的中世纪。
- It could be confirmed that the geological age of both the Tongzi Fauna in Guizhou Province and the Maba Fauna in Guangdong Province lies in Late Pleistocene. 即贵州桐梓人和广东马坝人动物群的地质时代为更新世晚期。
- 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。
- Your clothes will take ages to dry out. 你的衣服要很长时间才能乾透。
- 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。