The paper presents the reasons of mail random codes and several methods to decode them.

介绍邮件乱码的原因及破译邮件乱码几种方法。

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As long as the number of potential random codes is large compared to the number of records to search, this simple approach can be efficient.

只要潜在的随机代码数比要查找的记录的数目大，这个简单的方法就是有效的。

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Then the two pseudo random codes make handshake and compare with each other. when the two codes are same, the FPGA would work, otherwise it would stop.

上电配置完时，FPGA处于等待状态，且不能正常工作，此时两个伪随机序列握手比较，相同时，使FPGA工作，否则停止工作。

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But instead of the random codes and words, Type-In ads ask the consumer to type in a branded message.

FORBES: Brand Impact Online: New Thinking Inside The Box

Teachers enforce dress codes by performing random spot checks on everything from skirt length to underwear color.

CNN: A SOCK TO THE SYSTEM

Students must submit to random drug tests and adhere to hair and dress codes.

FORBES: Prophets of Boom