canyon n trail 峡谷小道
campaign n trail 竞选游说之行
N Trail 街道地址
Wagon Trail Rd N 街道地址
MOTION N TRAIL 动态拖曳
This compound manure could fairly raise the output of paddy in the trail, and as good as N, P, K fertilizers used.
结果表明：该有机复合肥对水稻的增产效果显著，肥效与N、P、K三元复合肥相当，值得进一步研究开发。
Excreta collection techniques in nitrogen(N)balance trail developed from the techniques for ducks were used to study the net protein utilization of goose.
本文借鉴鸭排泄物收集方法对肉鹅的蛋白质净利用率进行初步研究。
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