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1)  poor hiding
露底
2)  exposed sediment
裸露底泥
1.
The results indicated that: at the beginning of experiment with the exposed sediment treatment,several forms of nitrogen released from the sediment,perhaps disturbed by planting submerged macrophyte,but with the time passing,submerged macrophyte absorbed more NO-3-N,and through the nitrification and denitrifi.
结果表明,开始阶段因裸露底泥处理会向水体中释放出不同形态的氮素,使水体总氮含量有所增加。
3)  uncored bottom of lake
裸露湖底
4)  basement outcrops
出露基底
1.
The basement outcrops in South Qinling, Mianxian Lueyang Yangxian and north Dabashan areas are distributed in some sporadic and is.
依据陕南秦岭造山带区域地质及重力资料 ,按是否露出地表将前寒武纪基底划分为出露基底和隐伏基底两种类型。
5)  submarine outcrop
海底露头
6)  open pit bottom
露天坑底
1.
After the finish of open pit mining in Cangshang mining area of Sanshandao gold mine,little segment caving mining method without sill pillar is carried out to make use of the low-grade medium-thick cracking gold orebody in the open pit bottom.
针对三山岛金矿新立分矿仓上矿区中厚破碎金矿体露采结束后,露天坑底低品位中厚破碎金矿体,介绍了小分段无底柱崩落采矿法回采实践。
补充资料:露底
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性质:皮革的一种缺陷。对光面革而言,是指涂饰层遮盖力不足,用手拉伸革面时显露底色的现象。对绒面革来说,指底绒不够紧密,目测可见到底层显光亮或绒头与绒底产生色差的现象或猪绒面革绒毛分散,鬃眼扩大可见,有显著的毛孔凹陷亦属露底。在涂料中指色漆遮盖不住底层,干燥后透露出底面颜色的现象。色漆露底是因为面漆太稀,涂刷过薄;或面漆遮盖力差,涂刷一道面漆遮盖不住底漆颜色。

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