[主观题]市场结构(Market structure)
[名词解释] 时间结构(Temporal Structure)
[名词解释] 营养结构(Trophic Structure)
[名词解释] 水平结构(Horizontal Structure)
[名词解释] 市场结构(Market structure)
[名词解释] 土壤结构(soil structure)
[名词解释] 年龄结构(Age Structure)
[名词解释] 显微结构microscopic structure
[名词解释] 亚显微结构submicroscopic structure
[名词解释] 二级结构(super-secondary structure)