客户端轮询状态的频度越高，其获得的资源表示形式就可能越准确。
The more often the client polls for state, the more likely the client has an accurate resource representation.
用骨架语片做特征项，用空间向量模型表示文本语义，用语片的出现频度做语片权重，用余弦法计算文本间语义相似度。
Computing the semantic similarity of sentences by the method of cosine, eigenvalue come from the skeleton semantic clip, and the semantics of sentence expressed the vector space model.
事故频度率是指每百万小时发生的伤害事故的频率，它表示在当前的安全生产水平下，一个人在一生的工作时间中可能发生的事故次数。
The LTA rate is expressed as the ratio of reportable accidents to 1,000,000 man-hours - the assumed number of hours worked by one person during a lifetime.
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