在总计185亩土地中，每个家族大约可清理出七又二分之一亩耕地，人们使用斧头、砍刀和火努力工作。
Each family may clear about 7-1/2 acres of their 185-acre plot, brutally hard work done with axes, machetes, and fire.
文章在分析现有耕地保护政策体系所存在弊端的基础上，提出了在耕地资源保护中运用可转移发展权这一构想。
On the basis of analyzing the problems in the present policies about cultivated land protection, this paper tried to apply the transferable development rights on cultivated land protection.
在可预知的技术进步和人口压力背景下，耕地总量动态平衡方程为区域耕地系统的状态规定了调控目标；
Total arable land dynamic balance equation stipulates the control subject for the regional arable land system un-der the base of predictable technology and population pressure.
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