其工作量大大延长了换料设计的周期。
设计的周期DGS单元结构有非常好的截止和带阻特性。
The proposed period Defected Ground Structure (DGS) provides the excellent cutoff and stopband characteristics.
管架CAD软件可以从很大程度上提高管架设计的效率和质量，从而缩短整个工厂设计的周期并减少错误。
Pipe support CAD software can greatly improve the efficiency and quality of pipe support design, then reduce the cycle of plant design, and avoid mistakes.
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