因此,我们应该结合文献中描述的各个模型方面来建设我们自己的模式还是应该先通过研究来验证这些模型?
Should we therefore build our own model by integrating aspects from each of the models described in the literature? Or should we first seek to validate the models through research?
这些观测有助于火山灰咨询中心的模式研究者们改进预报模型,向飞行员和其他航空爱好者发布更准确的警报。
These observations help modelers in volcanic ash advisory centers improve forecasting models and issue more accurate warnings to pilots and others with aviation interests.
第二部分从理论上讨论了动力大地测量网络数据库系统的基础知识和数据模型,研究了网络数据库系统的特点、工作模式以及主要技术。
The second part discussed the theoretical knowledge and data models of DGNDBS; studied the feature, work model and main technique of the network database system.
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