Based on the fuzziness and impreciseness of river water environmental system, triangular fuzzy number is utilized to denote water quality information.

基于河流水环境系统的模糊性、不精确性，采用三角模糊数来描述和表征水质信息。

Abstract: This paper pointed out that there were problems of delayed recognition and impreciseness of incurred and reported outstanding claims reserves under the current management mode.

[摘要]在目前管理模式下，已发生已报告未决赔款准备金存在计提不及时、不真实的问题。