词汇表管理系统常需要进行结构化来管理术语，并包含术语与其他元数据之间的关系。
Vocabulary management systems have always been structured to manage terms, along with relationships between terms and other metadata.
应用升力面理论涡格法和面元法，建立了拖式吊舱推进器非定常水动力性能的数值计算方法。
Based on potential flow theory, a numerical method is proposed for predicting the steady and unsteady hydrodynamic performances of puller type podded propulsors.
本文论述线性常系数系统的有限元模型修正中的若干重要问题。
Several important problems for updating finite element model of linear constant coefficient system are demonstrated.
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