exploration stage

例句：

1. 1. The company is currently inthe exploration stage of its new product line.
   该公司目前正在其新产品线的探索阶段。
2. 2. Duringthe research phase, scientists are gathering datato understand the phenomenon better.
   在研究阶段，科学家们正在收集数据以更好地理解这一现象。
3. 3. The project has entered the developmentstage, with significant progress made in recentmonths.
   该项目已进入发展阶段，近几个月取得了显著进展。