这一结构被夹在由导电材料制成的具有电极作用的内环和外环之间,整个结构的外围是又一层聚碳酸酯外壳。
This is sandwiched between inner and outer rings of conducting material that act like electrodes, and the whole thing is surrounded by yet another layer of polycarbonate as cladding.
基于网络的培训:为基于既定体系结构的课程创建外壳;设计动画,测验,和其他网络交互。
WBT: Create a shell for the course based on the determined architecture; design animations, quizzes, and other Web-interactions.
飞机的钢结构被用作承重墙,而轻量级的铝外壳和飞机翅膀则被回收利用成屋顶材料和外墙。
The plane's steel structure was used for load-bearing walls, while the light-weight aluminum shell and wings were reappropriated as roofing material and exterior walls.
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