他们新开垦的耕地面积达五千公顷。
The area of their newly cultivated land has come to/reached five thousand hectares.
近25年来，埃及耕地面积增长了30%。
她的可耕地面积的平均水平相当低。
所以，我国的耕地面积大大减少。
这几乎是世界上耕地面积的一半。
他们新开垦的耕地面积达五千公顷。
The new area of assart field reaches to five thousands hektare.
这样就提供了有关扩大可耕地面积的宝贵数据。
This has provided valuable data for extension of cultivable land.
中国农民数量占全世界的40%左右，而耕地面积仅占9%。
China has about 40 per cent of the world's farmers but just 9 per cent of the world's arable land.
注：1.1997年以后的耕地面积为土地详查数。
Note: a Since 1997, the cultivated land detailed survey for the number.
人口数量和土地资源生产力与耕地面积和土地单产潜力成正比。
The population and the gross potential land resource are proportional to the arable land area and its unit productivity.
1995年减少耕地面积主要是由于开发的需要而被国家所征用。
The decrease in cultivated area in 1995 was mainly due to the government requisition.
我国是一个人口众多，耕地面积不足，人均粮食产量较低的国家。
Our country is characterized by large population, insufficient cultivated area, lower per capita grain yield.
此外，单纯地扩张地球表面的耕地面积会带来森林退化，这对环境有着严重危害。
Moreover, simply expanding the area of the earth's surface that is under cultivation is likely to cause deforestation, which is environmentally harmful.
农民的家庭人均耕地面积、户均劳动力也影响农民采用大棚蔬菜技术。
The familial per capita average agrarian area and the workforce affected the farmer to adopt the vegetable technology in plastic shelter too.
也就是说，这是一片比全国总耕地面积还大的、永不枯竭的绿色油气田。
That is to say, this is a is greater than the national total arable land area, never dried up the green fields.
尽管水资源匮乏，耕地面积只占世界的7%，但中国得养活全世界四分之一的人口。
In spite of water shortages and with just 7 percent of the arable land on earth, China has to feed a quarter of the world’s population.
铝的有害性严重制约了约占世界可耕地面积40%的酸性土壤中的作物生产。
Aluminum toxicity limits crop prodution on acidic land, which accounts for 40% arable land in the world.
蒙古是18世纪世界上面积最大的国家，不过蒙古的可耕地面积非常少，大部分都是草地。
Mongolia is the 18th largest country in the world by area. However, it has very little arable land: much of its area is grassland.
由于人口众多，土地资源稀缺，中国的人均耕地面积只有全球平均水平的一半。
Due to its large population and land scarcity, the amount of arable land on a per capita basis in China is only half the global average.
农业排斥力主要通过人均耕地面积的减少和农业资本对劳动力的替代作用来体现；
The decrease in cultivated average farmland mainly and the farm capital substituting function on the workforce embody agricultural repel strength.
淮南市是重要的煤电基地。建国以来，耕地面积持续减少，耕地主要用于粮食生产。
Huainan city, an important base for coal and electricity, is diminishing its cultivated land areas mainly for cultivating grain.
煤矿开采是对土地资源破坏的主要部分之一，不仅使耕地面积减少，而且造成矿区环境的破坏。
Mining coal is one of primary factors to damage land resources, it not only decreases cultivated area, but also causes environment of mine destruction.
东北部生态农业建设区由于耕地面积较少和人口较多的原因，粮食作物播种面积已无压缩余地。
The northeast ecological agriculture region has no space to adjust the crops sown area for the more population and few land.
净耕地系数测算是土地利用现状调查中一项极其重要的工作，其目的是提高耕地面积调查的精度。
The measurement of net arable land coefficient is of great importance in investigating the status of land-use, aiming at improving accuracy of the area survey.
传统种植业正破坏环境，到2050年，全世界人口将达95亿，届时可耕地面积将不足以供养这么多人口。
Farming is ruining the environment, and not enough arable land remains to feed a projected 9.5 billion people by 2050.
传统种植业正破坏环境，到2050年，全世界人口将达95亿，届时可耕地面积将不足以供养这么多人口。
Farming is ruining the environment, and not enough arable land remains to feed a projected 9.5 billion people by 2050.
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