Replace "reports of surveys and studies on appropriate policies, practices and indicators to improve products and services from a life-cycle perspective" with "reports of surveys and studies on appropriate practices to improve products and services from a life-cycle perspective".
把"关于为从生命周期的角度改进产品和服务而采取的适当政策和做法，包括进展计量指标的调查和研究报告"改为"为从生命周期的角度改进产品和服务而采取的适当做法的调查和研究报告"。