单词:data input devices
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DAVID GREENE, HOST: OK, now let's talk about some light that is probably not as good for you. This is the light coming from your smartphone or other screens. It's known as blue light. And it can really interfere with your sleep. Some people are using
谁都会犯错,特别是在计算器或电子表格里处理数字时。计算自己在披萨上花了多少钱是件小事,而医院里管理药品时,一点儿的差错都可能是致命的,那么,怎么来减少误差的出现呢? Med
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. Everyone makes mistakes, especially when it comes to entering numbers into a calculator or spreadsheet. Its not such a big deal if youre tracking how much
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
Business 商业报道 Google 谷歌公司 The new GE: Google, everywhere 新时代的通用电气:无处不在的谷歌 With a string of deals the internet giant has positioned itself to become a big inventor, and reinventor, of hardware. 经过一系