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。
At the end of the Qing Dynasty and the beginning of the Republic of China, the historiography of the home and abroad has been paid attention the reclaiming wasteland.
清末民初的蒙旗土地开垦问题一直是国内外蒙古史学界所关注的课题。
To dispose of refuse or reclaim land by filling in low-lying ground.
用在低地上填筑的办法处理废物或开垦土地
Man has greatly accelerated these changes since he began cultivating the soil.
自开垦土壤以来，人类大大加速了这些变化。
to break and turn over earth esp. with a plow.
用犁子开垦和翻开土地。
We opened up several hundred mu of land.
我们开垦了几百亩土地。
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
To break up the surface of(soil).
开辟，开垦破坏（土地的）表面
make (land)suitable for cultivation,eg by draining or irrigating it
开垦（土地）（如排水、灌溉以利耕种）
Such poor land can no longer stand over-cultivation!
瘦瘠的土地再也经不起过度开垦了!
This implied extending cultivation to less fertile land.
这就暗示人们要开垦比较贫瘠的土地。
To fill in or reclaim(land) by this method.
用这种方法填充或开垦（土地）
To break and turn up earth with a plow.
犁田用犁来开垦和翻动土地
Farmers suBdued the arid lands of australia.
农民们开垦了澳大利亚贫瘠的土地
Land-hungry peasants push up the hillsides.
缺少土地的农民开垦坡地。
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
Cultivation of Land in the Loess Plateau and Aggradation of the Lower Yellow River in the Northern Song Dynasty
北宋时期黄土高原的土地开垦与黄河下游河患
They have already made plans to open up the mine [land].
他们已制定开发这个矿区[开垦这片土地]的计划。
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。
Within two years they had tamed this inhospitable landscape.
两年之内他们已经开垦了这片荒凉的土地。