经过多个区域的排放交易和征收资源税(这对汽油有影响，对太阳能无影响)试验才推出了这项政策。
It follows various regional experiments with emissions-trading and a resources tax (which affects petroleum but not solar power).
经过对启动控制柜在出厂前进行的各项功能试验，证明该设计方案可行。
It was proved by testing the functions of the startup control ark before left factory that the design plan is feasible.
经过对材料的分析试验，发现其具有高温回火脆性。
By analytical testing the material discovered that it has high temperature temper embrittlement.
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