1) naturally passive de-icing
自然被动除冰
1.
At present,there are more than 40 de-icing techniques available or under development,which can be classified as thermal de-icing method,mechanical de-icing method,naturally passive de-icing method,and so on.
目前已应用和正在研制的除冰技术有40余种,按照原理可分为热力除冰、机械除冰、自然被动除冰以及其它除冰方法,这些方法都存在着不同程度的不足,评价其可行性需综合考虑多方面因素。
2) natural vegetation
自然植被
1.
Preliminary investigation on temporal and spatial variation of structure of soil fauna community in different natural vegetations of Dinghushan;
鼎湖山不同自然植被土壤动物群落结构时空变化
2.
Water condition and restoration of natural vegetation in the southern margin of the Taklimakan Desert;
塔克拉玛干沙漠南缘自然植被的水分状况及其恢复
3.
The Analysis of Natural Vegetation Npp Change in Urumqi Area in the Last 30 Years;
近30年乌鲁木齐地区自然植被净第一性生产力变化分析
3) sodding culture
自然覆被
1.
Straw mulching and sodding culture are two kinds of effective measures to solve the problem of the seasonal drought in red soil region.
稻草覆盖和自然覆被是解决红壤丘陵区季节性干旱的有效措施。
4) natural removal
自然去除
1.
With the functions of supplying, draining, monitoring, abstracting, injecting and so on, the aquifer model was used to study the natural removal of benzene, toluene, ethylbenzene and xylene (BTEX) in the aqui.
利用该模型开展石油烃污染地下水的特征研究结果表明,苯、甲苯、乙苯和二甲苯(benzene,toluene,ethylbenzene,xylene;BTEX)各溶解组分能够被自然去除,其中甲苯自然衰减的速率系数为0。
6) passive termination
被动解除
补充资料：江西龙南县九连山自然保护区常绿阔叶林植被
江西龙南县九连山自然保护区常绿阔叶林植被
江西龙南 县九连山 自然保护 区常绿阔 叶林植被 程彤摄
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条