经济效益观念
经济效益观念-
在文化的背景下去设计旅游景观，转变了我们只注重旅游经济效益的观念，将文化的传承与旅游开发结合起来，实现旅游的可持续发展。
Cultural tourism landscape design based on the cultual background , changing our focus on the economic benefits of tourism concept , the development of cultural heritage and tourism combine to achieve sustainable development in tourism .
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研究经济极限井网密度的意义在于使决策者掌握油田井网加密的下限，以经济效益观念指导油气生产，杜绝盲目钻井，避免勘探开发投资的浪费。
The purpose of studying economic limit well pattern density is to allow decision makers to know the low limit of well pattern density , and to avoid blind drilling and unnecessary investment of exploration and development with the viewpoint of economic benefits .