id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-4053		cet-4053		6	.pdf	application/pdf	3033	118	42	Based on the analysis above, the evaluation management theory, the sustainable development theory, and the system theory could be used as a guidance to study evaluation indexation system of evaluation development in oil fields. As is shown in Figure 1, oil fields could maintain a balance between core and noncore businesses under the guidance of the evaluation management theory; the core and noncore businesses could develop into a dynamic organism under the guidance of system theory; oil fields could realize its dynamic balance with natural resource, environment, economy, and society under the guidance of the theory of sustainable development, so as to achieve the final goal of evaluation sustainable development (Cai et al., 2013).	cache/cet-4053.pdf	txt/cet-4053.txt