[41]服务零售额是指企业（产业活动单位、个体户）以交易形式直接提供给个人和其他单位非生产、非经营用的服务价值总和，旨在反映服务提供方以货币形式销售的属于消费的服务价值，包括交通、住宿、餐饮、教育、卫生、体育、娱乐等领域服务活动的零售额。
This story was originally featured on Fortune.com
，这一点在PDF资料中也有详细论述
In order to increase the difficulty and place some more attention on "platform integration" functionality, I eventually added the following additional requirements to the GUI applications (i.e. not the command-line ones):
Before SDL3's release with the GPU abstraction, I was writing my own OpenGL and DirectX implementations - which isn't trivial! But it was a great learning experience, and not as bad as I expected it to be. I am however, very grateful for SDL GPU as it is a very solid foundation that will be tested across millions of devices.
Рост показала только добыча коксующегося (металлургического) угля — плюс 3,4 процента, до 9,1 миллиона тонн. Сильнее всего рухнули результаты по антрациту — минус 25,3 процента, до 1,5 миллиона тонн.