对美国各地多种土地使用类型的72条排水溪流，比尤利和同事测量了脱氮作用造成的一氧化二氮产生率。
Beaulieu and colleagues measured nitrous oxide production rates from denitrification in 72 streams draining multiple land-use types across the United States.
但是丽迪雅的忧郁不多一会就烟消云散，因为弗斯脱团长的太太请她陪她一块儿到白利屯去。
But the gloom of Lydia's prospect was shortly cleared away; for she received an invitation from Mrs. Forster, the wife of the Colonel of the regiment, to accompany her to Brighton.
弗斯脱上校前天寄出那封快信以后，稍隔数小时即由白利屯出发到我们这儿来，已于昨日抵达此间。
Colonel Forster came yesterday, having left Brighton the day before, not many hours after the express.
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