Another thing that happened-- ... they started developing-- it's not invented in the nineteenth century, but they started doing standardized forms.
当时还发生了一件事-,人们开始发展-,这不是19世纪发明的,不过他们开始制作标准化格式。
And so this is why in problem set 5 last year when I took photographs on campus with a compact flash card, just standard consumer media and I accidentally formatted that compact flash card, I only lost the first few kilobytes, the first few thousand bits on that compact flash card.
这也是去年的套题5中,我们在校园里面用配有,简易闪存卡的标准摄像机拍照片,我不小心格式化了这个简易闪存卡,其实我只是丢失的最开头的几千个字节的数据。
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