尽管中国取得了长足的进步，但在引导与控制系统、涡轮发动机、机床、医疗诊断与司法鉴定设备和计算机辅助设计与制造等方面还很落后。
Despite China's progress, it lags in guidance and control, turbine engines, machine tools, diagnostic and forensic equipment and computer-aided design and manufacturing.
Tcl在计算机辅助设计(CAD)领域中特别流行，象Cisco和Nortel这样的联网设备供应商也都使用它。
Tcl in particular has been popular in the computer-assisted design (CAD) segment, and with such networking equipment vendors as Cisco and Nortel.
介绍了计算机辅助设计的一种新方法：以建立表格数据库的方式，通过数据转换，完成PLC系统的标准化设备设计。
To introduce a new CAD method which uses tabular database and data conversion to fulfill standardized equipment design for PLC systems.
介绍了计算机辅助设计的一种新方法：以建立表格数据库的方式，通过数据转换，完成PLC系统的标准化设备设计。
To introduce a new CAD method which uses tabular database and data conversion to fulfill standardized equipment design for PLC systems.
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