国务院关于印发国家环境保护“十二五”规划的通知

百度 2018年春节三薪是哪几天春节规定放假的七天时间里，初一、初二、初三是三倍工资，其他四天只有两倍工资。

Chunks of blue ice pile up on Qinghai Lake, China's largest inland saltwater lake in Hainan Tibetan Autonomous Prefecture, northwest China's Qinghai Province, Feb. 13, 2025. (China News Service/Xue Di)

Ice appears blue when the red (long wavelengths) part of white light is absorbed by ice, and the blue (short wavelengths) light is transmitted and scattered.

Chunks of blue ice pile up on Qinghai Lake, China's largest inland saltwater lake in Hainan Tibetan Autonomous Prefecture, northwest China's Qinghai Province, Feb. 13, 2025. (China News Service/Xue Di)

Chunks of blue ice pile up on Qinghai Lake, China's largest inland saltwater lake in Hainan Tibetan Autonomous Prefecture, northwest China's Qinghai Province, Feb. 13, 2025. (China News Service/Xue Di)

Chunks of blue ice pile up on Qinghai Lake, China's largest inland saltwater lake in Hainan Tibetan Autonomous Prefecture, northwest China's Qinghai Province, Feb. 13, 2025. (China News Service/Xue Di)

Chunks of blue ice pile up on Qinghai Lake, China's largest inland saltwater lake in Hainan Tibetan Autonomous Prefecture, northwest China's Qinghai Province, Feb. 13, 2025. (China News Service/Xue Di)

Chunks of blue ice pile up on Qinghai Lake, China's largest inland saltwater lake in Hainan Tibetan Autonomous Prefecture, northwest China's Qinghai Province, Feb. 13, 2025. (China News Service/Xue Di)

Chunks of blue ice pile up on Qinghai Lake, China's largest inland saltwater lake in Hainan Tibetan Autonomous Prefecture, northwest China's Qinghai Province, Feb. 13, 2025. (China News Service/Xue Di)