The fracture-developing index and the grade classification method of fracture were proposed and applied to evaluate the development degree of reservoir fractures.
通过定义储层裂缝发育指数及采用等级划分的方法，对储层裂缝发育情况进行评价分析。
According to the forming classification of punch-formed car components, the new method for evaluating stamping grade was put forward.
在轿车冲压件成形分类的基础上，提出了新的冲压级别评定方法。
The investigation demonstrates that SPA method proposed herein is applicable to problems of grade classification and trend forecast.
通过和常规的回归方法相比，阐明了集对分析方法在研究居民消费增量的等级变化问题方面的优点。
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