docx转换jpeg
在线计算网 · 收录于 2022-08-08 12:17:03
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文件扩展名.docx
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文件类别documents
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程序Microsoft OfficeLibreOfficeKingsoft OfficeGoogle Docs
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主程序Microsoft Office
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说明DOCX是默认保存后的文档格式标准扩展名，文件则包含了文档的主要文本内容、图片、绘图对象、字符等工具。docx是Microsoft Office2007之后版本使用的，用新的基于XML的压缩文件格式取代了其目前专有的默认文件格式，即“.docx”取代“.doc”。阅读和打印任何Word 文档。DOCX格式允许使用各种工具，支持各种内容文件， 对建立与编辑进行自动化。
Docx文件怎么打开，以前的Word版本是如何打开docx的？可以直接从微软官方下载个兼容包补丁程序，安装后重启电脑，就可以用Word2003打开Docx格式的文件的。（要在旧版本的Word中正确显示DOCX文件，您需要安装特殊的兼容包。它有助于将文本内容转换为DOC格式。）
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技术细节DOCX用新的基于XML的压缩文件格式的默认文件格式，包括许多文档元素，这些文档元素存储为单独的文件，这些文件组合成一个存档的ZIP文件。这种格式的开发说明将Microsoft Office套件解决方案换为Open XML国际标准。因此，许多开源应用程序都支持该扩展，例如，LibreOffice Writer和OpenOffice Writer。
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MIME类型application/vnd.openxmlformats-officedocument.wordprocessingml.document
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文件扩展名.jpeg
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文件类别images
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程序Adobe PhotoshopApple PreviewCorel Paint Shop Pro
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主程序MS Paint
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说明JPEG – is a popular graphic format, which is characterized by a high degree of compression, which leads to a decrease in image quality. It uses the technology of encoding of smooth color renditions, providing the ability to reduce the amount of data frequently during the recording of the image.
Because of the small size it is requested by the owners of websites, allowing you to save the traffic effectively. It is also frequently used in memory cards of digital video cameras. The JPEG algorithm is optimally suitable for compressing photographs and pictures, in which realistic scenes with little contrast of colors are present. It is not recommended to use this format for compression of drawings and various kinds of graphics, since a strong contrast between a number of closely located pixels provokes the appearance of visible artifacts.
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技术细节The procedure for compressing the digital images in JPEG format is carried out in several stages. First, the photo is transformed into a color space YCbCr, then it is divided into squares to determine the upper range of the color spectrum. Finally, the colors and brightness are coded.
JPEG uses a "lossy" compression system and discrete cosine transform technology. The format acts simultaneously as the standard of ISO and the International Telecommunication Union. The file compression ratio is in the range from 10:1 to 100:1. In this case, the reduction in image quality can vary from insignificant to substantial.
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MIME类型image/jpeg
