传统的组织工程的模式是使孤立的细胞在生物材料支架中与适当的生物活性因子相结合。
The traditional tissue-engineering paradigm combines isolated cells with appropriate bioactive agents in a biomaterial scaffold.
通过分析数学问题，构建与问题相关的系统，在系统内应用辨证的观点分析常量与变量，使孤立的变量相互联系。
Through analyzing mathematic problems, constructing a system related to the problem to study constants and variables is helpful to connect individual variables with each other.
他的激进和拒绝让步使他受到了孤立。
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