As we all know, the statistical analysis of an incompleteblock design is quite troublesome, especially for a partially balanced incompleteblock design.
本文利用正交试验，将析因设计、区组设计及统计分析统一于一张正交表上。
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I use a block cipher algorithm for encryption that requires the clear data bytes to be in blocks of 8 bytes, so I pad the last incompleteblock with some characters.