The two modes are Modbus RTU and ASCII and are both designed to be used with serial devices supporting the RS232, RS485, and RS422 protocols.
它存储用Base64编码的DER格式数据,用ascii报头包围,因此适合系统之间的文本模式传输。
It stores data in Base64 encoded format, surrounded by ascii headers, so it is suitable for text mode transfers between systems.
但是,您仍然有义务遵守电子邮件规范的要求,因此,例如,电子邮件地址应该只使用ASCII字符。
However, you're still obligated to respect the requirements of the email specifications, so, for example,email addresses should use only ASCII characters.
UTF-8 without a Byte Order Mark is backwards-compatible with ASCII and will provide better interoperability with the web, where UTF-8 has become the default encoding.
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