新列在顶部拥有一个头单元，中部的一个数据单元，以及底部的一个底单元。
The new column has a header cell at the top, a data cell in the middle, and a footer cell at the bottom.
EMS公司已开始设计初样单元，并准备在2008年底进行系统定型需求评审。
EMS has begun design of early prototype units and is preparing for the formal system requirements review later this year.
本文运用有限单元法，对钢包底的温度场和应力场进行了数值模拟。
In this paper, temperature and stress field on the bottom had been simulated using finite element method.
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