set frame meaning in English

整条机

This paper , based on the highway ecosystem assessment the theory ( ecology , traffic engineering , the sustainability , system dynamics ) , uses the thoughtfulness of the pressure - state - response framework model for reference , and sets up the indicator set frame model of the highway ecological assessment . according to the frame model it designs the ecosystem assessment indicator set and gives the computation to the indicators
本文通过对高速公路生态系统评价基础理论(生态学理论、交通工程学理论、可持续发展理论以及系统动力学理论)的研究，借鉴压力?状态?响应( psr )框架模型的构建思路，建立了高速公路生态系统评价指标体系框架模型，应用该框架模型构建了高速公路生态评价指标体系，针对该指标体系提出了相应的指标测算方法。