年代范围 meaning in Chinese
year range
Examples
- 2s ( th / u4u and 227th / 2x " th dating on two mammal fossil teeth gave age ranging from 85 to 139 ka , which evidence the stratigraphic order between the capping flowstone and the underlying fossil - bearing deposits and support to the age assignment of older than ca . aoo ka to die hominid fossil teeth
伴生的貘牙化石和鹿牙化石的二种铀系法年代范围为85 - 139ka ，表明该地点含化石堆积与表层钙板间无地层倒序现象，支持人牙化石大于100ka的结论。 - This paper has done a research into the strategies of reference to information resources on research into tao xingzhi in terms of the research needs , concerning subjects , research types , analysis of range of years , document data base , dictionaries , search engines on net , optimization of reference strategies , etc
摘要从陶行知研究信息需求及所涉及学科、类型和年代范围分析，文献数据库、工具书、网上搜索引擎和各类信息资源的检索，检索策略的优化等几个方面对陶行知研究信息资源的检索策略进行了研究。