extraction unit中文什么意思

下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯

Recently , with downhole enterprises coming off from oil - extraction units , they begin to take the parts in which they serve for oil - extraction enterprises
近年來，隨著井下作業(yè)單位從采油單位的逐步剝離，井下作業(yè)企業(yè)對原油生產(chǎn)企業(yè)的服務(wù)地位開始確立。
Recent research has demonstrated the strong performance of hidden markov model applied in information extraction . however , the information extraction based on hidden markov model generally takes a token as a basic extraction unit , and the information of format and list separators is not taken into account . based on the natural structure of text , a block - based hidden markov model is provided
目前基于隱馬爾科夫( hmm )信息抽取模型一般以單詞作為基本抽取單位，考慮到文本排版格式、分隔符等信息的存在，文本實(shí)際上可以看作是由一些文本分塊序列組成，同一分塊內(nèi)的所有單詞只可能屬于同一個狀態(tài)，而不同分塊可以屬于一個或多個狀態(tài)。

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