The in fluence of forest land reclaimation on soil erosion was studied using locating ob-servated data.
通过比较梁坡林地开垦不同年限后的土壤养分变化动态，分析了土壤养分退化的过程及特征。
Tradeoff of conflict between wetland protection and farmland reclamation in the Sanjiang Plain,Heilongjiang Province;
三江平原湿地保护与耕地开垦冲突权衡
The land reclamation and its influence on environment in West Liaohe Basin from 1902 to 1990;
近百年来西辽河流域土地开垦及其对环境的影响
Land reclamation at the end of Qing dynasty and beginning of Republic of China in the Mongolian area was always focused on by the foreign scholars, a great deal of fruits were gained during these long time.
清末民初的蒙旗土地开垦问题一直是国内外学者所关注的重要课题,取得了不少研究成果。
A tract of land within a wood or other overgrown area from which trees and other obstructions have been removed.
皆伐区，林地开垦在树林或灌木繁生地带内清除了树木和其它障碍的一块地
Destroying forest or burning vegetation for land reclamation, or building dykes to reclaim land from a lake or reclaiming slopes banned by the State shall be prohibited.
禁止毁林开荒、烧山开荒、围湖造田以及开垦国家禁止开垦的陡坡地。
virgin forest,soil,ie where cultivation has never been attempted
处女林、处女地（未经采伐、开垦的）.
Thickly forested land had to be cleared.
浓密的森林地面必须开垦出来。
Land Reclamation in Baγarin Right/left Qosiγu during the First 30 Years in 20~(th) Century;
20世纪前30年巴林左右二旗土地开垦
STUDY ON SOIL DEGENERATION OF RECLAIMED FOREST-LANDS IN LOESS HILLY FOREST REGION;
黄土丘陵区林区开垦地土壤退化研究
Land covered with dense vegetation or undergrowth.
未开垦的丛林地被浓密生长的草林或下层丛林覆盖的土地
The land previously cultivated returned to forest.
以前开垦过的那片土地现在又成了森林了。
Heavily wooded, uncultivated, thinly settled areas.
偏远蛮荒林区森林茂密的、未开垦的人烟稀少的地区
to break and turn over earth esp. with a plow.
用犁子开垦和翻开土地。
It is forbidden to destroy forests and grassland in the process of land reclamation. It is forbidden to carry out landfill of lakes and occupy beachland of rivers.
禁止毁坏森林、草原开垦耕地，禁止围湖造田和侵占江河滩地。
Iron brought the tillage of large areas, the clearing of wide tracts of virgin forest;
铁使更大面积的农田耕作，开垦广阔的森林地区，成为可能；
It is cultivated for its flowers.
这块地开垦出来种花。
They opened up large tracts of wasteland.
他们开垦了大片荒地。
More wasteland will be opened up here.
这里将开垦更多的荒地。
Reclaim the whole place.
把这块地都开垦了吧。
a wild and uninhabited area.
无人定居的未开垦地区。
We opened up several hundred mu of land.
我们开垦了几百亩土地。