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Ｅ－ｍａｉｌ一般在传送过程中都要对文件进行编码。这是因为Ｅ－ｍａｉｌ只能传送ＡＳＣⅡ码格式的文字信息。ＡＳＣⅡ码为７位代码，非ＡＳＣⅡ格式的文件在传送中必须经过编码工具编成相应的ＡＳＣⅡ码进行传输，接收端在收到后再根据编码规则进行解码。若非如此就会在传输
E-mail Usually in the transmission process must encode the file. This is because E-mail can only send text messages in ASCII format. ASC Ⅱ code for the 7-bit code, non-ASCII format files must be encoded by the encoding tool compiled ASC Ⅱ code for transmission, the receiving end after decoding according to the encoding rules. If not, it will be transmitted