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As 5G radio waves travel at much higher frequencies, and so have less range, the density of 5G base stations will have to be far higher than 4G, just to cover the same area, meaning that total spending on 5G will be far higher than that of 4G, Wang added.
Apple CEO Tim Cook speaks during an Apple launch event in Brooklyn, New York, the United States, on Oct 30, 2018. [Photo/Xinhua]
Apple, June 8: “Amazon mischaracterizes Apple’s tarnishment claim. Apple has not asserted that the?Android operating system is inferior.?Rather, Apple has asserted that Amazon’s?service is inferior and will tarnish Apple’s mark.”
Apple’s entry has benefitted consumers. Apple’s entry brought competition where none?existed. Amazon still has a dominant share in eBook and physical distribution, with significant?power it often leverages over the producers and consumers of books to the detriment of both.?But prior to Apple’s entry, Amazon effectively stood alone and unchallenged. No longer.
Argentina is home to the Vaca Muerta shale formation, one of the world's biggest reserves of shale gas and oil. It was not immediately clear to what extent drilling operations there had been impacted.
来源：资阳报