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dnfqq 点卷 :朝阳胜古北里着火 消防车难进门

文章来源:中国科学报    发布时间:2019-08-21 01:18:22  【字号:      】

 'Dramatic improvement' seen as use of more natural gas and less coal brings increase in blue-sky days to Beijing and surrounding region during the winter

 Air pollution in northern China is usually worse in the winter, but this past winter saw unprecedented improvement. Largely due to the policy decision to shift to natural gas for heating and many industrial uses, the average concentration in Beijing of the most hazardous small particulate matter, PM2.5, fell in January by 70 percent year-on-year to 34 micrograms per cubic meter, the Beijing Environmental Protection Bureau said in a statement. It was the first time the figure was under the national standard safe level of 35, the bureau said. However, recent weeks have seen many days of high air pollution, although coming weeks are forecast to be clear.

 "From a technical perspective, this is an important breakthrough showing that a complicated generative modeling problem, namely speech synthesis, can be adapted to new cases by efficiently learning only from a few examples," Leo Zou of Baidu's communications team told Digital Trends.

 

 我一直主张,通过互联网与平台,让终端客户更加直接地参与产品工程及设计,并通过提高产品的种类,扩大需求;满足个性化的生产需求,最终使生产和服务形成更加紧密的连接,让数字化真正智能服务于企业竖井,连接孤岛。

 Serbian President Aleksandar Vucic said he speaks highly of Xi's courage and great sense of duty, and he believes that under Xi's leadership, the Chinese people will realize the Chinese Dream of achieving great rejuvenation, and China's rejuvenation will be conducive to keeping world peace and stability and benefit people in the world.




(责任编辑:刘炫明)

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