Research on the objective constitutive elements of enviromental pollution crime 并列题名：Research on the objective constitutive elements of enviromental pollution crime Research on the objective imputation of environmental pollution crime 并列题名：Research on the objective imputation of environmental pollution crime Research on the governance of environmental pollution crime Research on difficult problems of environmental pollution crime Research on basic theory of environmental pollution crime 并列题名：Research on difficult problems of environmental pollution crime Research on the identification of the constitutive elements of contract concealment fraud Research on objective constituents of false pretenses