symbolic differentiation

The research shows that differentiation of symbolic representation functions most in junior Chemistry learning, and threefold representation is able to embody Chemistry characteristic thinking mode, which, of course, is beneficial and valuable to the understanding of Chemistry.

调查发现，初中阶段的化学学习，符号表征的分化作用最大。三重表征是一种能体现化学学科特征的思维方式，它有利于学生更好地理解化学，具有一系列独特的魅力和价值。

Tongxiang area for their own brand and positioning the brand at home and abroad, from the sweater product aesthetic, practical and symbolic significance to achieve differentiation. A fundamental solution of the problem of homogenization sweater designed to make the brand stand out.

针对桐乡地区自主品牌和国内外进驻品牌，从羊毛衫产品的审美性、实用性和象征意义三个方面实现差异化，从根本上解决羊毛衫设计同质化的问题，使品牌脱颖而出。

In the same time, author provide the ground of symbolic statistics for the macroscopic differentiation of herbal syndrome. The result showed that 8 syndromes, such as tenderness or depression of Kidney-shu point, have significant on the dignosis for the deficiency of kidney.

结果表明：肾俞穴压痛等8项体征对肾虚证诊断方面有重要的临床意义。