The survey noted that this shift is due to the growing user base of digital readers and the convenience that the digital medium offers. The ease of use, speed of access and lower prices of electronic books have also resulted in higher sales than physical books.
The survey also revealed that companies here took a 17.4 percent slice of the global market, which was worth .7 billion.
The team, led by Han Chunyu of Hebei University of Science and Technology, published the paper in May last year in the international science journal Nature Biotechnology.
The tablet, dating back to 1862, also specified the number of fines for each violation and the law enforcers, according to the inscription.
The surprise partnership was announced last summer, with a goal of getting the two digital assistants on the same page by the end of the year. That deadline came and went, with the companies promising they would have something to show “soon.”
The system will also give a boost to the development of domestic aircraft, he said.
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The suspects include Shu Yuhui, chairman and founder of Tianjin-based drugmaker Quanjian Nature Medicine Technology Development Co.
The tariff threat spooked global investors partly as it came after negotiators from the world's two largest economies concluded their latest round of trade talks on Wednesday and agreed to go for another round of talks in September.
The study said extreme haze in winter would likely occur at a higher frequency in China as a result of the changing boreal cryosphere, such as Arctic sea ice loss in the preceding autumn and extensive boreal snowfall in early winter, posing challenges for mitigating winter haze.
The survey also found more than one billion children live in countries plagued by poverty, and 240 million in countries affected by conflict and fragility. More than 575 million girls live in countries where gender bias is a serious issue.