在上期“仪器天地”的专栏中,“模板型半自动磨片机”介绍了韩国“东洋”DP-24开模机、DC-7中心仪的使用、保养节选购(上)的使用,因篇幅所限,未能全部讲解完毕,本文内容继续。 (2) DC-7中心仪的操作步骤: ① 打开电源开关,点亮照明灯。 ...在上期“仪器天地”的专栏中,“模板型半自动磨片机”介绍了韩国“东洋”DP-24开模机、DC-7中心仪的使用、保养节选购(上)的使用,因篇幅所限,未能全部讲解完毕,本文内容继续。 (2) DC-7中心仪的操作步骤: ① 打开电源开关,点亮照明灯。 ② 将机制好的标准模板正面(有刻度线的一面)朝上,标记前装入中心仪刻度面板的两只定位销中,以备用左眼镜片的加工中心。当确定加工右眼镜片时。展开更多
This paper proposed a new method of semi-automatic extraction for semantic structures from unlabelled corpora in specific domains. The approach is statistical in nature. The extracted structures can be used for shallo...This paper proposed a new method of semi-automatic extraction for semantic structures from unlabelled corpora in specific domains. The approach is statistical in nature. The extracted structures can be used for shallow parsing and semantic labeling. By iteratively extracting new words and clustering words, we get an inital semantic lexicon that groups words of the same semantic meaning together as a class. After that, a bootstrapping algorithm is adopted to extract semantic structures. Then the semantic structures are used to extract new展开更多
文摘在上期“仪器天地”的专栏中,“模板型半自动磨片机”介绍了韩国“东洋”DP-24开模机、DC-7中心仪的使用、保养节选购(上)的使用,因篇幅所限,未能全部讲解完毕,本文内容继续。 (2) DC-7中心仪的操作步骤: ① 打开电源开关,点亮照明灯。 ② 将机制好的标准模板正面(有刻度线的一面)朝上,标记前装入中心仪刻度面板的两只定位销中,以备用左眼镜片的加工中心。当确定加工右眼镜片时。
文摘This paper proposed a new method of semi-automatic extraction for semantic structures from unlabelled corpora in specific domains. The approach is statistical in nature. The extracted structures can be used for shallow parsing and semantic labeling. By iteratively extracting new words and clustering words, we get an inital semantic lexicon that groups words of the same semantic meaning together as a class. After that, a bootstrapping algorithm is adopted to extract semantic structures. Then the semantic structures are used to extract new