檢視中国四大发明的原始碼

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| style="background: #008080" align= center|  '''<big>中国四大发明</big> '''

[[File:Src=http img.mp.itc.cn upload 20170105 9c0995666148479e920b5f1b52dca85d th.jpg&refer=http img.mp.itc.jpg|缩略图|居中|[https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.mp.itc.cn%2Fupload%2F20170105%2F9c0995666148479e920b5f1b52dca85d_th.jpg&refer=http%3A%2F%2Fimg.mp.itc.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1636298594&t=2b049e7b885a5b07c768313ac5eeba00原图链接][https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E5%9B%9B%E5%A4%A7%E5%8F%91%E6%98%8E&step_word=&hs=0&pn=14&spn=0&di=91080&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=2&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=-1&cs=3492488788%2C3261930470&os=2965953666%2C407496852&simid=3492488788%2C3261930470&adpicid=0&lpn=0&ln=1049&fr=&fmq=1633705448945_R&fm=result&ic=&s=undefined&hd=&latest=&copyright=&se=&sme=&tab=0&width=&height=&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Fimg.mp.itc.cn%2Fupload%2F20170105%2F9c0995666148479e920b5f1b52dca85d_th.jpg%26refer%3Dhttp%3A%2F%2Fimg.mp.itc.cn%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1636298688%26t%3D8edc849f0388a845d37550c9ac416a93&fromurl=ippr_z2C%24qAzdH3FAzdH3F4p_z%26e3Bf5i7_z%26e3Bv54AzdH3Fda80a8acAzdH3Fg900lacda8_z%26e3Bfip4s&gsm=f&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined 来自 百度 的图片]]]

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