unconfirmed GRE

There were unconfirmed reports that the rebel army was advancing on the town.

未经证告说, 叛军正向市区推进。

Because of the multiped walking character, multi-legged walking robots own obvious priorities in motion and working under unstructured and unconfirmed environment comparing to wheeled robots.

相对于轮式机器人而言,多足步行机器人在非结构化环境中具有明显优势。