这种差异表明，在器件的材料结构设计上已从掺杂设计步入到了能带工程设计。
It is shown that doping design for the device's material structure has evolved into band engineering design.
由于氟塑料与金属材料在物化性质方面的差异，使得氟塑料换热器在工艺和结构设计方面与金属换热器不尽相同。
The physical and chemical properties of fluoroplastics are different from those of metals, their technological and structural designs are accordingly different from metal heat exchangers.
通过微观组织结构分析，揭示了材料在室温下产生蠕变行为的原因，并解释了两种材料蠕变行为的差异。
Substructure analysis of the materials elucidates the reasons for creep of the materials at room temperature and accounts for the difference between the two tested materials in creep behaviour.
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