Forestry is a forest for the transformation of human to an object based on the practice of special activities.

林业是人类以森林为改造对象的一种基础而特殊的实践活动方式。

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Taking the forestry economy system of Nanch 'a area in Heilongjiang province as an example, a system dynamics (SD) model is built, tested and analyzed based on structure analysis.

以黑龙江省南岔区(局)林业经济系统为例，在分析系统结构的基础上，构建了林业经济系统SD模型，并且对总体模型进行历史检验与仿真分析。

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A degree in this field is based on a sound knowledge of biology, chemistry, and physics, as well as particular forestry subjects such as tree pathology and fire suppression.

此学位是基于对生物，化学和物理扎实的知识，同样需要对诸如树病理和灭火等特别的林业学科的掌握。

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Even as the campaign ran on, the government announced a deal with the industry committing both to aim for almost 40, 000 new forestry-based jobs by 2001.

ECONOMIST: A surprise in the woods

For example, expanded credits for forestry-based offsets, including reforestation, afforestation and avoided deforestation, would give the rural poor a critical source of income to manage and sustain their landscapes.

ECONOMIST: On climate change, Bretton Woods, the Pope's speech | The