added value of agriculture
农业生态学 agricultural ecology 农业增加值 added value of agriculture 农奴制 serfdom; serf system ..
基于560个网页-相关网页
... 农业增产不增税的政策||keep the agricultural tax unaltered even when outputincreases 农业增加值||value added of farm 农业债券||farm bond ...
基于8个网页-相关网页
·2,447,543篇论文数据,部分数据来源于NoteExpress