按语义特征将其分为动作动词、状态动词、关系动词和能愿动词四类。
According to the semantic characteristics, verbs can be classified into action verb, state verb, relation verb and modal verb.
该文首先给出了离群数据的量化定义，并用基于蚁群的聚类学习方法，产生了状态空间的整体特征。
A quantitative definition is proposed at the beginning of this paper. The integral character of the state space is created using the clustering method based on ant colony.
为解决该问题，提出了利用频域特征和遗传编程对齿轮箱盖多类状态振动信号进行特征提取的方法。
The power spectral density of gearbox vibration signals is estimated by the periodogram from which original feature sets are derived.
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