A Chinese envoy on Friday called for continued efforts to promote the political settlement of the Ukraine crisis.

BEIRUT/JERUSALEM, July 25 (Xinhua) -- A member of the Lebanese Hezbollah group was killed and a civilian was injured Friday in an Israeli drone strike on the southern border region, according to ...

本研究通过Zooniverse平台动员13,000余名志愿者对57,838张无人机影像进行分类，验证了公民科学（CS）在濒危物种监测中的可靠性。研究人员采用HDBSCAN聚类分析等创新方法，发现志愿者对海鬣蜥（Amblyrhynchus cristatus）的识别准确率达68-94%，总计数准确率超90%，为缓解传统野生动物调查资源瓶颈提供了新范式。