The crucial factor that silvan ecosystem degrades is forestry development intensity.

森林生态系统退化的要害因素是林业开发强度。

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And Quebec's Plan Nord will open an area twice as big as France to mining, energy development and forestry.

魁北克的“北方计划”开发的采矿，能源开发，林业区域面积是法国的两倍。

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Since the development of the simplex algorithm, linear programming has been used to solve optimization problems in industries as diverse as banking, education, forestry, petroleum, and trucking.

由于simplex算法的出现，线性编程已经在工业界、银行界、教育界、林业、石油行业以及运输业界中广泛地用来解决优化问题。

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And we agreed to new partnerships including forestry and sustainable development of land to help meet the commitments we made at Copenhagen to combat climate change.

WHITEHOUSE: President Obama and Prime Minister Singh Press Availability | The White House

Otherwise there will be no chance of the many reforms required outside the forestry sector: in land-use planning and rural development, in agriculture, energy and infrastructure policies, and much else.

ECONOMIST: Seeing the wood

Neil Stoddart, a forest district manager for the Forestry Commission at Llandovery in Carmarthenshire, said although conifer production was an important part of rural economic development, it could be balanced with environmental gains.

BBC: Woodland care 'harming' habitats