单词：theory model
theory model的用法和样例：
例句
- By using system vicissitude theory we can construct the general vicissitude theory model of our country accounting system.摘要运用制度变迁理论，可以构建我国会计制度变迁的一般理论模型。
- Based on the perturbation theory, a theoretical model for chainlike molecules is established.对链状分子体系用微扰理论建立了理论模型。
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