对照组bmd无明显改变。
But the IEA for some reason showed very little change in the inventory levels in Canada in May, despite the 45 million barrels of oil production or so that were disrupted because of wildfires.
但是由于某种原因,在今年五月加拿大山火事件时,IEA库存数据中加拿大的库存水平变化很小。
The results showed that compared with the sole of wheat land, the heat balance was kept when:(1)the net radiation and the turbulent heat flux had a little change;
结果表明:与对照相比,热量平衡:(1) 农田净辐射、湍流热通量沟麦和对照相差不大;
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