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1·We initiate on Dynagreen (DNG)with OW(V) on EPS recovery, potential to lower finance costs, visible growthtrajectory and its SOE background.

由于EPS的恢复，公司的增长潜力和更低的财务成本，可见的增长轨迹和国企背景，我们首次对绿色动力环保给予买入评级。

2·The numerical simulation of the new type of DNG is studied by using FDTD method and CST software, and the physical mechanism analysis for this structure is discussed in detail.

用时域有限差分法和CST 软件对该新型结构进行了模拟对比，并对其物理机理进行了分析，解释了其双负效应发生的原因。