*smog? A draft national standard for protective masks will be issued at the end of the year, the People’s Daily reported on Oct 12. The masks will be graded according to the level of protection ……

offer more effective protection against the virus than surgical (医用外科的) masks, according to William... offer more effective protection against the virus than surgical (医用外科的) masks, according to William ……

masks offer more effective protection against the virus than surgical (医用外科的) masks, according... and how often should we change them? N95 masks offer more effective protection against the virus than ……

to make cool, high-tech masks. Let’s take a look at two of them. The COVID-19 pandemic has... up with creative ideas to make cool, high-tech masks. Let’s take a look at two of them.  ……

around the world will keep wearing them for some time. Many companies are making new, high-tech masks... for some time. Many companies are making new, high-tech masks. Their masks can not only protect us from ……

to the level of protection against pollution they offer, according to the report.They will clearly state how... is at hand.A draft of a national set of standards for protective masks is expected to be made public ……

MILITARY uniforms may one day be a lot more high-tech, resembling something more like what you see... similar to what US soldiers wore in Vietnam. It does not offer the soldier much protection ……

CHINESE officials plan to crack down on illegal imports of used computers and other high-tech trash....The high-tech garbage was smuggled into China from the US and Japan, most of it consisting of computer ……

IF Beijing wins the 2008 Olympic bid, it aims to show the world a high-tech event, and some... technology can absorb poisonous substances in the air.High-tech means more than protecting the environment ……

the high-tech equipment. A. Lots of workers are needed to use the high-tech equipment. B. It’s hard to use high-tech equipment in smart factories. B. It’s hard to use high-tech equipment ……

August, the Japanese technology firm introduced the latest version (版本) of the smart pet to the US. The high-tech dog features (以......为特点) AI that’s able to learn from its owner over time, just like ……

of these high-tech machines for a demonstration. Among them were: the smart shopping trolley, a computerized... shoppers have only seen high-tech applications at the checkout counter, for example, the credit ……

1980s to the late 1990s) would be open to trying out a “virtual sitter (照看者)”, using high-tech... forward to the idea of a smart home. With the rise of the machines, it is believed that smart homes ……

PHILIPS and jewelry company Swarovski have partnered to create a line of gadgets that is both high-tech and high-fashion. The latest from this line that emphasizes both form and function ……

have gone down the drain with the suds.Despite media attention focusing on layoffs at high-tech companies, there is still plenty of opportunity in the e-commerce arena. And analysts predict high times ……