She cites a favourite poem by George Herbert.她引用了自己最喜爱的一首乔治·赫伯特的诗。CITES is the Convention on International Trade in Endangered Species of Wild Fauna and Flora.CITES是关于濒危野生动植物种国际贸易的国际公约.CITES is the Convention on Internat...
醇和醛两者为氧化的次级产物.Both the alcohols and aldehydes are secondary products of the oxidation.当次级电路开路时, 铁芯磁通量仅仅由初级电流产生.When the secondary circuit is open, the core flux is produced by the primary current only.群系可以按其优势物种的特征划分为一些次...