在校园网教学资源开发时，要根据现代教育理论保证网络资源内容的科学合理性、可更新性等要求。
Teaching resources on the campus network, according to modern educational theory as a scientific and reasonable assurance of network resources, can be updated by others.
本文从网络课程各个模块的可更新性和各个模块的具体设计分析，提出网络课程存在的一些问题及解决策略。
To begin with the updating and specific design of some modules, the article puts forward a number of problems and solutions.
根据环境氚的数学物理模型计算和碳- 14测年结果，关中盆地热水可更新性具有有限性和非均一性特点。
According to the result of environment tritium math-physical model and carbon-14 age dating, think the renew ability of the thermal water in study area is confined and inhomogeneity.
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