production lot生产批量productionn.生产；产量；作品；成果；分泌；制作；上映；播出production technology ground phosphate rock饲料级磷酸氢钙Production of radioactive luminescent paint放射性发光涂料生产production function for fertilizer response肥料效应函数production system for resolution refutation归结反演的产生式系统production management conceptual innovation生产管理理念创新production and management information system生产管理信息系统production wastewater from cigarette factory烟厂废水production supervision at stationary factory驻厂监造Production-teaching-research integration产学研结合production process monitoring and management生产过程监控与管理

1. This commercial forest is very productive and can generate good economic returns.
   这片经济林的收益很好，经济效益很高。