There are hundreds of basins which still stand at their beginnings of petroleum exploration in China, so methodology research of early stage basin evaluation is of momentous current significance.
中国仍有数百个盆地处于早期的油气勘探阶段，开展盆地早期评价方法研究具有十分重要的意义。
Located in the middle Mongolia, Nilga Bbasin is a Meso-zoic rift basin and is in the early exploration stage at present.
位于蒙古国中部的尼尔金盆地是一个中生代裂谷盆地，目前仍处于勘探早期。
The research on steel-structural building is at an early stage of exploration, and the steel-structural residence system is not mature.
我国的钢结构住宅研究处于探索起步阶段，整个体系还不成熟。
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