如果所提到的系统是用偏振光的形式，以一连串数字比特流编码来表示信息的话，就意味着截取并阅读信息没法再偷偷摸摸地进行了。
If the system in question is a message in a series of digital bits encoded in the polarisation of light, this means that intercepting and reading the message can no longer be done surreptitiously.
有些字段你可能不想它被分词，比如一连串的数字字段。
Some fields you may not want to be tokenized, for example a serial number field.
对于其他人来说，各个节点只是在输出一连串随机的数字。
To everybody else, each node is merely pouring out a stream of random Numbers.
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