单词:target tracking filter
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Scientists Solve Mystery of Chameleon Eyes 科学家们解决变色龙眼睛的奥秘 Chameleons can move their eyes in different directions, and most scientists thought that meant that each eye worked independently from the other. Scientists in Isra
But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi
Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it
Technology Report - Mobile Devices' Location Tracking Raises Privacy Concerns This is the VOA Special English Technology Report. Lawmakers in the United States have expanded an investigation into the use of location-tracking systems on mobile devices
科学家揭开变色龙眼球独立运动的奥秘 Many fish and birds have eyes on opposite sides of the head, and they seemingly have at any given moment two different pictures of the world around them. But chameleonseyes are slightly bulging so t
My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children had received fire-safety training at school, they