Setting the pollution emission of the year 2010 of Chengdu as the benchmark, the reducing rate of the year 2010, 2015, and 2020 of Chengdu is calculated.
以2010年成都市的污染物排放为基准,测算出成都市2010、2015和2020年的污染物排放削减率。
参考来源 - 城市水资源承载力的测度设计·2,447,543篇论文数据，部分数据来源于NoteExpress
Arc current reducing rate and arc voltage at the time of arc discharging are established for every mathematical model.
得到电弧放电瞬间每一模型下的电流变化率和电弧电压。
The resistance-reducing rate for the small ground grid or electrode is less than 56.6%, even under large permeability.
即使考虑强大的渗透作用，集中接地体或小型地网的降阻率也不会超出56.6%。
ASP has high water-reducing rate and low slump loss, but it is expensive, and the water-retention of concrete is bad, which limit its application.
氨基磺酸系高效减水剂asp的减水率高、坍落度损失小，但价格较高、混凝土保水性差，限制了其应用。
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