1) Sandbreak belt
防沙林带
2) Shelter forest area
防沙林
3) sandy land shelterbelt
沙地防护林
1.
The authors applied drip irrigation in sandy land shelterbelt cultivation for the first time,and discussed the benefits of water saving,energy saving,labour saving and the investment benefits.
将滴灌应用于沙地防护林,并对其节水、节能、省工及投资效益做了初步探讨。
2.
The results of 4-year s trial showed that when drip irrigation was applied in the establishment of sandy land shelterbelt,the optimal design scheme were as follows:the diameter of drip tube 12 mm,drip flux 3.
经过4a的试验研究结果表明:滴灌技术应用于沙地防护林的营造,综合支出最低的设计方案是毛管直径12mm,滴头流量3 75L·h-1,滴头间距1 0m的设计方案;另外,滴灌条件下的造林成活率和林木生长量均高于常规灌溉,具有节水、节能、省工等效果。
4) plantation for wind protection and sand fixation
防风固沙林
1.
The results showed that: with increase in age,the site quality of plantation for wind protection and sand fixation was changed obviously,bulk density decreased,soil porosity increased,soil water holding capacity improved and soil fertility enhanced,the physical and chemical characteristics of soil were improved to some extent.
对嫩江沙地不同发育阶段的小黑杨人工防风固沙林土壤水分、土壤理化性质进行了测定与分析。
5) forest for wind resistance and sand prevention
防风阻沙林
1.
Through the comparison on wind-resistant effect among five kinds of forest for wind resistance and sand prevention and shifting sandy land,the results show: Haloxylon ammondendron and Hedysarum scaparium have better wind-resistant effects because of large plant size,and Calligonum mongolicum,Hedysarum fruticosum var.
对5种灌木防风阻沙林的防风效益与流沙地进行比较,结果表明:梭梭和花棒由于植株高大,遮挡面大,总体防风效果好,沙拐枣、杨柴、沙木蓼3种灌木植株相对矮小,总体防风效果较差。
6) coastal defence forest
海防林带
补充资料：板带轧制速度规程(见板带轧制规程设计)
板带轧制速度规程(见板带轧制规程设计)
speed schedule for plate and strip rolling
bandai zhazhi sudu guieheng板带轧制速度规程(speed seheduxe fo:plateand strip rolling)见板带札制规程设计。
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