将以下句子翻译成汉语1、Numbers, text, audio, image and video are five types of data used in a computer.2、Computer transforms the data into a uniform representation called a bit pattern.3、Integers represent numbers which have no fractional part. An unsigned integer can never be negative. Fixed-point representation is the method used for storing integers.4、Sign-and-magnitude format uses the leftmost bit (Most Significant Bit, also called sign bit) to represent the sign, and the rest of the bits define the magnitude.5、Two’s complement is the most popular, the most important, and the most widely used way to represent signed integers today.6、A number which combines an integral part with a fractional part is called a real. To store real numbers in computer, the solution is to use floating-point representation, in which a number contains three sections: sign, exponent, and mantissa.7、A text document is composed of a sequence of characters. A bit pattern (ASCII and Unicode) can represent each character. In run-length encoding, the repeated character is replaced by one instance of that character followed by the number of its occurrences. In Huffman encoding, codes are assigned to characters such that the code length depends on the relative frequencies (or weight) at which each corresponding character occurred.8、Audio belongs to analog data which should be digitized before encoding. MP3 is the dominant standard for compressing audio.9、Techniques used by computers to store images are vector graphics and raster graphics (bitmap graphics). JPEG compression is the method of compressing pictures and graphics.10、Video is a series of consecutive images shown one after another. MPEG is one of the most widely used video compression method.Generally, 24 bits are used by True-Color scheme to encode a single pixel.11、BMP is the standard image file format in Windows operating system, which uses bit map as storage format. In addition to optional image depth, it does not use any other compression.12、GIF was developed by CompuServe in 1987, its compression rate is generally about 50%, and almost all software support it.13、JPEG is the network's most popular image format, developed by the Joint Photographic Experts Group. It is a lossy compression format, and can compress an image in a small storage space.14、BHD is developed by Baofeng laboratory specifically for Baofeng player to play. It uses patented technology and is optimized for video quality, video size, video frame rate, bit rate, cellphone power saving, etc. Audio Video Interleave (AVI) was released by Microsoft, which can be called conveniently with good image quality.15、Flash Video was formulated by Adobe Systems, and can be played by Adobe Flash Player version 6 and newer over the Internet. And F4V was similar with Flash Video, but can support H.264 high-definition video encoding.16、The international video encoding standards contain two main series: MPEG series of standards developed by ISO and IEC, and H.26x series of standards developed by ITU.