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時間:2022-08-15 來源:本站 點擊:258次

UK's Johnson scraps COVID******


Tourists wearing masks to protect against the spread of coronavirus stand outside Windsor Castle on February 17.

British Prime Minister Boris onMonday said he would end all coronavirus restrictions in Englandincluding mandatory self-isolation for people with COVID-19 andfree testing, drawing skepticism from some scientists andpolitical opponents.

Johnson's "living with COVID" plan has sparked alarm that itis premature and will leave the country vulnerable to new viralvariants, but the government says it has provided more testingthan most other countries, and must now curb the cost.

The plan to ditch the remaining legal restrictions is apriority for many of Johnson's Conservative Party lawmakers,whose discontent over his scandal-ridden leadership hasthreatened his grip on power. Some critics think the plan isalso a bid to divert attention from those scandals.

Britain has reported 160,00 deaths from COVID-19, theseventh-highest death toll in the world.

As Europe retainssocial distancing and vaccine rules, Johnson is moving to repealany pandemic requirements that impinge on personal freedom,saying it is time the public took responsibility.

He will lean even more on the rollout of booster vaccines,with the government offering extra booster doses to the mostvulnerable, as well as other pharmaceuticals interventions suchas antiviral treatments.

"Restrictions pose a heavy toll on our economy, our society,our mental wellbeing and on the life chances of our children,and we do not need to pay that cost any longer," Johnson toldparliament.

"So let us learn to live with this virus and continueprotecting ourselves and others without restricting ourfreedoms."

Johnson said that the legal requirement to self-isolate forpeople who test positive for COVID-19 would be removed on February 24while free universal testing would end on April 1.

The devolved administrations of Scotland, Wales and NorthernIreland have set their own COVID-19 restrictions, but the amountof money they have to spend on testing will flow from decisionsmade by the UK government.

Scotland's First Minister Nicola Sturgeon was scathing onTwitter, writing: "To allow significant dismantling of thetesting infrastructure built up in last two years would beinexcusable negligence given ongoing risks."

'Scale this back'

Johnson said that some surveillance of the coronavirus wouldremain in place, allowing for a rapid response to new variants,which could be quickly scaled up.

But he cited the much-weakened link between COVID-19 casesand deaths due to vaccines, antivirals and the lower severity ofthe Omicron variant as informing his decision.

"It is only because we know Omicron is less severe, thattesting for Omicron on the colossal scale we have been doing ismuch less important and much less valuable in preventing seriousillness," Johnson said.

"This came at a vast cost... We must now scale this back."

Johnson said that symptomatic testing would remain availablefor at-risk groups and social care staff, and would work withretailers to allow anyone who wants to buy tests.

Britain has been unusual in providing free lateral flowtests to people who want to for months. In contrast, USPresident Joe Biden offered limited free rapid tests tohouseholds for the first time last month.

Leaders in Scotland and Wales had criticized Johnson's plansto reduce the availability of testing ahead of the announcement,while leader of the opposition Keir Starmer also said that theplan was ill-conceived.

"We can't turn off Britain's radar before the war is won.'Ignorance is bliss' is not a responsible approach to a deadlyvirus," Labour Party leader Starmer said.

ROG PG259QNR评测:360Hz电竞超精彩!******

  此次笔者将为玩家们介绍一款高端的电竞游戏显示器,它就是ROG Swift 360Hz PG259QNR,中文名叫作“超梦Pro”。这款电竞游戏显示器是ROG Swift 360Hz PG259QN的升级版产品,特别新增了NVIDIA Reflex延迟分析器,配合NVIDIA Reflex低延迟技术使用,可为玩家们带来更沉浸式的游戏体验。

  同时,ROG Swift 360Hz PG259QNR还采用了Fast IPS面板,具备业界顶尖级的360Hz刷新率,并且支持NVIDIA先进的G-Sync技术,单从这些参数以及技术来看,这款电竞游戏显示器的游戏属性已属强大。

  当然,ROG Swift 360Hz PG259QNR的强大主要是建立在NVIDIA技术体系基础之上的。性能强大的NVIDIA GeForce系列显卡,配上这款电竞显示器才合适。


  ROG Swift 360Hz PG259QNR精选了一块1920×1080分辨率的Fast IPS面板。Fast IPS面板与普通IPS面板相比,液晶分子的排列方式与电极的排布并无本质变化。只是Fast IPS面板中使用了一种快速液晶分子,这种快速液晶分子的偏转速度是普通液晶分子的4倍,从而可以使得采用这一技术的IPS显示器的GTG灰阶响应时间实现真正的1ms。










  同时,电竞游戏显示器还能够与支持AURA SYNC神光同步技术的主板、显卡、内存、键盘、鼠标、机箱、外接RGB灯带等设备联动,打造更炫酷的电脑主机。







  这款电竞游戏显示器背面设计了电源接口、一个HDMI 2.0接口、一个DP 1.4接口、一个USB上行接口、两个USB 3.0接口、一个音频输出接口(用于连接耳机或者音箱)。












  (测试项目介绍)通常在显示器行业中gamma=2.2是一个标准值。体现在测试报告中测量的gamma值曲线越接近2.2越好。gamma值越高(如2.2),则图像对比度以及色彩饱合度越高 – 通常会损失阴影细节。Gamma值越低(如1.8),则图像对比度和色彩饱合度越低,阴影细节更丰富。调整显示器的gamma值,对于多台设备显示相同的效果至关重要。gamma 2.2可从感观上为观看者提供始终如一的色调范围。














  NVIDIA Reflex低延迟技术

  与RTX30系列显卡同时发布的NVIDIA Reflex低延迟技术可优化和测量系统延迟,是NVIDIA努力提升游戏体验的一项重要举措。



  在这款电竞游戏显示器的主控制菜单里,便可开启的NVIDIA Reflex低延迟技术。

  在开启NVIDIA Reflex低延迟技术之后,支持该技术的游戏,例如《守望先锋》,能够进一步降低游戏延迟,让游戏画面更流畅,游戏体验更精彩。


  ROG Swift 360Hz PG259QNR是一款产品定位非常明确的游戏外设,就是搭配高性能的NVIDIA GeForce系列显卡使用,R、N联手共造超一流的电竞游戏体验。此次实测下来,这款电竞游戏显示器的色域、色准表现也很不错,大家可以放心入手。


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Interview: China has enough experience to successfully host Winter Olympics******

KIEV, Dec. 16 (Xinhua) -- China has enough experience to successfully host the 2022 Winter Olympics, which will be essential to overcoming challenges and strengthening cohesion around the world, said Sergey Bubka, president of the National Olympic Committee (NOC) of Ukraine.。

"China has a very big experience to host the Olympic Games. You have great facilities, you have experience, you know what to do," Bubka told Xinhua in an interview on Wednesday, adding that the Olympic Games belongs to all of humanity and is beyond politics, religion and borders.。

"Doesn't matter [whether there are] political interests, religions, no borders, we are human beings. And through the Olympics, through Olympic ideals we bring everyone together," he said.。

The Beijing 2022 Olympic Winter Games will be an important instrument to express the solidarity of global society against the COVID-19 pandemic, Bubka said.。

"I think at this time, in COVID time, it's really important to have the Olympic Games," said the NOC head.。

According to Bubka, Beijing 2022 will send a positive message to the world that humanity will overcome the pandemic through joint efforts.。

"We will overcome this challenge of COVID-19 and of course we must be together," Bubka noted.。

Speaking on Ukraine's plans for the Beijing 2022 Olympics, Bubka disclosed that final preparations are well underway.。

"It is a very important period for athletes, who are preparing for the Beijing Olympic Games. Of course, they do training, they start competition already, this period is important for our athletes to qualify for the Olympic Games," he said.。

According to Bubka, Ukraine expects to send a 100-member delegation, including 40 to 46 athletes, to Beijing.。

"We are strong in biathlon and freestyle. We will see what our athletes will achieve," he said.。

Bubka, who was the 1988 men's pole vault Olympic champion, said he had visited China many times and had been impressed by the beauty of the country and the friendliness of the Chinese people.。

"I'd like to wish the Chinese people to enjoy the Games. The Olympic Games is very important for China and important for Asia to develop winter sports," Bubka said, while stressing the significance of the Games for the whole world.。

"The Games is very important for the world, because the Olympics unites everyone, brings everyone together, to show a strong message to the people all over the world that we can live in peace, we can be together," Bubka said. Enditem。

China's central bank conducts 50 bln yuan of reverse repos******

BEIJING, Nov. 18 (Xinhua) -- China's central bank Thursday injected 50 billion yuan (about 7.8 billion U.S. dollars) into the financial system via reverse repos.。

The interest rate for the seven-day reverse repos was set at 2.2 percent, according to the People's Bank of China.。

The move aims to keep the liquidity in the banking system reasonably stable, the central bank said.。

A reverse repo is a process in which the central bank purchases securities from commercial banks through bidding, with an agreement to sell them back in the future. Enditem。


1.韩国一架F-4E战机在海上坠毁 机上两名飞行员逃生

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3.最高奖30万 民航局印发航空安全举报奖励暂行办法


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