OCR (aided greatly by the constrained and standardized MICR character set).
Blockchain technology was originally invented in 1991 by two mathematicians, Stuart Haber and W. Scot Stornetta. They first proposed the system to ensure that timestamps could not be tampered with.。关于这个话题，51吃瓜提供了深入分析
The research, based on citizen science surveys led by the Bat Conservation Trust, estimates that half of all churches in England - that's more than 8,000 - have bats in them.，更多细节参见同城约会
Apple quietly makes running Linux containers easier on Macs