标记模式理论把语码转换主要分成有标记和无标记转换。
The theory of markedness model posits that code-switching can be divided into the marked and the unmarked.
逻辑结构设计包括函数依赖和关系规范化的理论分析、E - R模型向关系模型的转换和数据模式规范化。
The logic framework structured design is consisted of theory analysis of function dependency, relation normalization, transformation from E-R model to relation model and data model normalization.
该物镜具有较高的理论分辨本领，且可以简单方便地实现CTEM与STEM工作模式间的转换。
The lens has a very high theoretical resolution power and it is very convenient to transfer the lens working mode from CTEM to STEM and vice versa.
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