It is a new subject to explore and look for the methods and indexes to describe and depict the evolutional characteristics of seismic precursor complex picture.
探索、寻找描述、刻画地震前兆复杂图像演化特征的方法与指标，是地震预报研究的新课题。
Sentence structure Classes and Resource Trees are adopted to depict syntax structure of sentences, which have similar semanteme. Complex Feature Set is used to describe dictionary.
用产生式方法描述优化聚合规则，用句子结构类和资源树描述语义与句子结构的对应关系以及用复杂特征集描述句法规则和词汇。
You can't depict the beauty of calligraphy to the blind and can't describe elegance of music to the deaf.
你没办法对瞎子谈书法之美；也没办法对聋子描述音乐之雅。
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