UTF - 8在不支持多字节数据的工具中也能正常工作。
UTF-8 also works better with tools that don't expect to receive multibyte data.
其约束条件包括系统工作周期、通信协议约束、通信格式约定、多字节数据及位标记。
Its restrict conditions include system work cycle, communication protocol restriction, communication format assumption, multi-byte data and bit sign.
如果长度值大于127，那么我必须使用多字节长度表示法，它至少使用2字节数据。
If the length value is greater than 127, I have to use multi-byte length notation, which USES at least 2 bytes of data.
如果长度值大于127，那么我必须使用多字节长度表示法，它至少使用2字节数据。
If the length value is greater than 127, I have to use multi-byte length notation, which USES at least 2 bytes of data.
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