2017年辽宁省网络安全宣传周网络安全作品有奖征集大赛公告

百度 该报告首创人民币国际化指数，用来概括和反映人民币实际行使国际货币职能的程度，可为管理层提供简明直观的决策依据，也是学术界研究相关问题的实用量化指标。

Photo taken on July 23, 2025 shows a view of Chaka Salt Lake scenic area in northwest China's Qinghai Province. (People's Daily Online/Zhang Kaiwei)

Chaka Salt Lake is located in Chaka Town, Ulan County, Haixi Mongolian and Tibetan Autonomous Prefecture in Northwest China's Qinghai Province, in the northeastern part of the Qinghai-Tibet Plateau. With an average altitude of 3,059 meters, the lake covers an area of 105 square kilometers, while the scenic area spans nearly 30 square kilometers. The lake's surface has a remarkable reflective quality, resembling a mirror, which has earned it the nickname "mirror of the sky" in China among tourists.

Photo taken on July 23, 2025 shows visitors enjoying the scenery of Chaka Salt Lake scenic area in northwest China's Qinghai Province. (People's Daily Online/Zhang Kaiwei)

Photo taken on July 23, 2025 shows visitors enjoying the scenery of Chaka Salt Lake scenic area in northwest China's Qinghai Province. (People's Daily Online/Zhang Kaiwei)

Photo taken on July 23, 2025 shows visitors enjoying the scenery of Chaka Salt Lake scenic area in northwest China's Qinghai Province. (People's Daily Online/Zhang Kaiwei)

Photo taken on July 22, 2025 shows a visitor enjoying the scenery of Chaka Salt Lake scenic area in northwest China's Qinghai Province. (People's Daily Online/Zhang Kaiwei)

Photo taken on July 22, 2025 shows visitors enjoying the scenery of Chaka Salt Lake scenic area in northwest China's Qinghai Province. (People's Daily Online/Zhang Kaiwei)

Photo taken on July 22, 2025 shows visitors enjoying the scenery of Chaka Salt Lake scenic area in northwest China's Qinghai Province. (People's Daily Online/Zhang Kaiwei)