Nain相关论文
Cretaceous tectonic evolution of the Neo-Tethys in Central Iran:Evidence from petrology and age of t
The Nain and Ashin ophiolites consist of Mesozoic mélange units that were emplaced in the Late Cretaceous onto the cont......
在信息技术环境下，针对多媒体教室传统管理方式的弊端，阐述了利用信息技术来管理和维护多媒体教室的方法．通过建立多媒体查询数据库、......
