In terms of basic technology, it shows that China's academic research and industrial base has mastered advanced LO/VLO shaping techniques.
在基础技术方面，表明了中国的学术研究和工业基地已经掌握了先进的LO/VLO成形技术。
The Map Symbol Base System is not only one of the basic functions of Geographic Information System, but also an important research issue in GIS.
地图符号库系统不仅是地理信息系统中不可缺少的基础功能模块之一，也是GIS的一个重要研究课题。
Reservoir geochemical description is not only a basic task for reservoir geochemical study, but also the base of other research object on reservoir geochemical description.
油藏地球化学描述既是油藏地球化学研究的一项基本任务，又是进一步开展油藏地球化学其它项目研究的基础工作。
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