一些是放火狂所为，一些是尝试清理耕地的农民引起的，或者是一些兼职的林业工人为给自己创造就业机会。
Others are started by farmers trying to clear land, or by part-time forestry workers creating employment for themselves.
目标是在3年内新增1千5百万个工作机会，其中1千2百50万来自乡村救助项目，其他通过林业资源的开发来解决。
The goal is 15m additional jobs within three years, with 12.5m of them coming through the village schemes and the rest from the development of the plantation industry.
一些是放火狂所为，一些是尝试清理耕地的农民引起的，或者是一些兼职的林业工人为给自己创造就业机会。
Others are started by farmers trying to clear land, or by part - time forestry workers creating employment for themselves.
由美国林业局确定的游憩机会谱理论（ROS）被证明是一种最有效的游憩资源规划管理工具，已广泛运用于美国的公共游憩地。
ROS was proved to be the most effective tools about recreational resources planning and management by American Forestry Bureau, which has been widely used in the United states.
由美国林业局确定的游憩机会谱理论（ROS）被证明是一种最有效的游憩资源规划管理工具，已广泛运用于美国的公共游憩地。
ROS was proved to be the most effective tools about recreational resources planning and management by American Forestry Bureau, which has been widely used in the United states.
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