Canals checkerboard the countryside on both sides of the river.河的两边遍布纵横交错的水渠.In the field young wheat unfolds the green checkerboard.田野里的麦苗儿铺开绿棋盘.The most treacherous attribute fluctuates, the most wisdom's checkerb...
采用两步交联法合成了可生物降解聚天冬氨酸水凝胶.Biodegradable poly ( L - aspartic acid ) hydrogels were synthesized by a two step cross - linking reaction.智能水凝胶作为药物载体有着良好的应用前景.Intelligent hydrogels have enormous potential in the application as ...