哪位高手帮忙翻译一下，不胜感激！

！“本文以全国南方重点林业县之一的※※县为研究贺手对象，采用索洛余值法和丁伯根改进的C—D生产函数相结合的方法，对1990—2007年该县的林业科技进步贡献率进行测算。结果表明此期间该县的林业科技进步贡献率呈现波动上升的趋势，且科技进步贡献率的肢拍谨提升伴随着大量新增物资的历基投入”
"In this paper, the focus of the National Forest County, south of the county as ※ ※ study, using Solow residual value and improved Tinbergen C-D production function method of combining the years 1990-2007 the county contribution to the forestry scientific and technological progress rate calculations. The results show that the county's forestry during this period the contribution rate of scientific and technological progress fluctuated upward trend, the contribution rate of scientific and technological progress and improvement along with the input of a large number of new materials "