offset arrangement meaning in English

非零偏移排列

To facilitate the power company to use more natural gas for power generation in place of coal with a view to reduce emissions , an offsetting arrangement is introduced as a licensing condition so that the increase in emissions at the station due to the use of additional natural gas may be offset by a corresponding reduction at the castle peak power station by a ratio ranged between 5 . 6 to 58 times , depending on the particular different pollutants
为使电力公司能采用更多天然气取代燃煤发电以减低污染物排放量，我们在续发牌照的条款中引入抵销安排，容许龙鼓滩发电厂因增加天然气发电量而排放更多污染物时，以青山发电厂相应地减少同类污染物排放量五点六至五十八倍以作抵销。