The latter strata are in the early stage of exploration, and the reserves can increase quickly.
后一类处于勘探早期，储量可以快速增长。
Abstract: Promoting urban landscape planning as a new type of planning, is still in an early stage of exploration.
摘要：城区园林景观特色提升规划作为一个全新的规划类型，还处在一个探索和起步阶段。
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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