what is dtmf tones

I don't know which of the following Chinese and western cultures has integrated Chinese pinyin. This kind of thing is naturally not difficult, but it has brought a disaster to Chinese characters After computer invention. Of course, if Chinese people start to use English at the end, this Chinese Character disaster may not be a good thing, but in any case, it is definitely not the original intention of the Ch

Transfer from http://www.leiphone.com/news/201406/hdr-pic.htmlHDR This word may not be unfamiliar, but most people just listen to, in the brain and not too many concepts, may simply think that the HDR is to make the picture better look, this is true, but actually open HDR is good, open and do not open HDR and what

believe many people can feel the difference between good products and rotten products. It is precisely because of the very fluent user experience, users will gradually accept, habits, and finally precipitate, become a product of loyal users. I think that is why Apple users, once used Apple, are unwilling to change other products. How to improve the user experience Wh