通过对联锁软件需求规格的分级划分，提出了一种联锁软件分级测试策略。
After the hierarchical classification of CISS (Computer Interlocking Safety-critical Software) requirement specifications, an automatic hierarchical testing strategy is introduced.
那时，世卫组织也承认其分级系统需要修正——因为这一标准仅仅依赖传播的地狱划分而没有考虑到传染病的严重性。
WHO has since acknowledged that its phasing system needs fixing, as it relies solely on geographic spread and doesn't factor in severity.
其次是将法律语料库中所有的词进行词频统计，并根据五级频度划分法进行分级。
All word carry on frequency of the word count legal corpus base secondly, divide according to five frequentness law grade.
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