Parent - child communication as the moderate variable between family system and social adaptation of middle school students 初中生的亲子沟通及其与家庭环境系统和社会适应关系的研究
To realize efficient nves , it is necessary to use a flexible and integrated awareness model as a guiding model 在实现网络虚拟环境系统中，需要以灵活完整的感知模型作为系统的指导模型。
Such information can also be used as guideline for land development to achieve the optimal utility of the land 除了准则传递资讯之外，整合资讯环境系统也可以很容易的查询到开发及规划所需的资讯。
Groundwater is not only the precious resource , but also one of very important factors of complicated ecosystem 地下水不仅是一种宝贵的资源，同时也是复杂的生态环境系统中极其重要的生态环境因子之一。
The algorithm ' s construction is direct and simple , which solves the identification problem of the water environmental system successfully 此算法构造直观、简单，成功解决了水环境系统参数的可识别性问题。
Before taking early retirement several years ago , i did research on energy and environmental systems and electric vehicles 在我退休之前，我的研究兴趣主要集中在核能发电安全、能源与环境系统、以及电动车上面。
After analyzing all these questions , we point out that awareness plays an important role in the networked virtual environments 本文从目前网络虚拟环境系统中存在的问题出发，分析了感知问题在虚拟环境中的重要意义。
Modem tourism economy needs environmental system support , and a good environment is precondition for sustainable development 摘要现代旅游经济的发展依赖于环境系统的支撑，有良好的环境作为保障才可能实现可持续发展。
The research indicates that the model is effective and believable , which could represent the realistic environmental system of a mining area 研究表明，所建立的模型是有效的和可信的，能够充分代表现实的矿区环境系统。
On the research of market failure and government failure , the third chapter analyzes the reasons why the ecosystem is deteriorating in china 第三章通过对市场失灵和政府失灵的研究来分析我国生态环境系统恶化的原因。
