名词
中文翻译：编码扩展字符
同义词：
['编码字符，编码字符集，编码扩展序列']
例句：
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1.The coded extension character is a secret message that can only be deciphered by authorized personnel.
编码扩展字符是一个只有授权人员才能解密的秘密信息。
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2. In the digital age, the use of coded extension characters has become increasingly important in secure communication.
在数字化时代，使用编码扩展字符在安全通信中变得越来越重要。
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3. The company's new product uses a unique coded extension character system to enhance user experience.
该公司的新产品采用了一种独特的编码扩展字符系统来增强用户体验。