1) evaluation of alternatives
评估替代品/各种选择
3) substitute species
替代品种
1.
Recent advances on the development of substitute species for high-toxic organic phosphorus pesticide in China were reviewed.
综述了近年来我国高毒有机磷农药替代品种的开发进展 ,并对“十五”期间杀虫剂工业的发展提出了建
4) species selection
品种选择
1.
Ecological service function and species selection of living aquatic resources enhancement
水生生物资源增殖的服务功能分析和品种选择
2.
Environmental degradation and deforestation in Jari Demonstration Plot needs forestation and reforestation, and the plant species selection is a key issue in the ecological recovery.
本文建立了植物品种选择模式,该模式体现了控制水土流失和实现生态恢复的一种观念。
5) Variety selection
品种选择
1.
A dynamic knowledge model for variety selection and sowing date determination in cotton;
棉花品种选择和播期确定的动态知识模型
2.
A dynamic knowledge model for target yield design and variety selection in rapeseed;
油菜产量目标设计与品种选择的知识模型
6) varieties selection
品种选择
1.
Study on the varieties selection of paper—making poplar wood;
杨树纸浆林品种选择研究
补充资料：边际技术替代率
是指在产出量保持不变的条件下，用一种投入要素Y替代另一种投入要素X的技术上的比率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条