We select 204 panel data samples from fixed observation spots in China’s rural areas(Nagqu County,Duilongdeqing County and Xigaze City in Tibet),and conduct sy
一、漳浦县榕树产业发展已呈现良好发展态势漳浦县至2001年底,榕树种植面积已达7626亩,其中人参榕3676亩,占48.3%,气根榕986亩,占12.9%,绿化苗1990亩,占26%,榕树盆景233亩,占
<正> 税收作为经济的“晴雨表”,对经济变化的反应最为敏感。入世后,我国的税源从总量到结构上将发生重大变化,与之相适应,我国的财税体制改革也将同步进行。本文结合福建省
Through field experiment,we explore the impact of long-term drip fertigation on growth and distribution of lychee root and changes of soil pH in different layer
Using emergy analysis method,I conduct quantitative analysis of social,economic and natural systems in Sichuan’s Baisha River valley during the period 2002-200
弄懂"谱、法、乐"的辩证关系,树立起"谱、法、乐"辩证教学观,并自觉地运用于教学实践中,是钢琴教学所必需的,也是可行的.
On the basis of current development situations of planting, scientific research and processing of kiwifruit industry in Guizhou Province, the paper analyzes mai
在市场经济体制下,企业集团越来越成为企业组织的重要形式,而要想保证企业财务决策的准确度以及财务活动的合理性,该企业集团的财务管理体制扮演着重要的角色。我国企业集团
<正> 我厂2号机立窑颚式破碎机的拖动电机,型号为JO_2-71-6,额定功率17kW;额定电流34.8A;额定转速970转/分。按铭牌要求,采取△接法。电机实际工作电流只有12.5A(电压385V时)