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“抓紧”的词汇化和语法化
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作者 王战领 《宁夏大学学报(社会科学版)》 2024年第3期55-60,共6页
“抓紧”本是黏合式述补短语,常作谓语动词以支配名词宾语,近年来又发展成为主要修饰谓语,充任副词功能。此变化是由于“抓紧”经历了词汇化和语法化过程:词汇化使其性质从短语演变成动词;语法化又让它扩展出副词的相关功能,其中动因是... “抓紧”本是黏合式述补短语,常作谓语动词以支配名词宾语,近年来又发展成为主要修饰谓语,充任副词功能。此变化是由于“抓紧”经历了词汇化和语法化过程:词汇化使其性质从短语演变成动词;语法化又让它扩展出副词的相关功能,其中动因是重新分析和类推,机制是概念隐喻和转喻,结果则表现为功能分化和语义拓展。 展开更多
关键词 “抓紧” 句法功能 词汇化 语法化
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Computation of three-finger equilibrium and force-closure grasps
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作者 李家炜 刘宏 蔡鹤皋 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2003年第2期157-162,共6页
We proved a new necessary and sufficient condition for 2D three finger equilibrium grasps and implemented an geometrical algorithm for computing force closure grasps of arbitrary 2D objects in this article. The algori... We proved a new necessary and sufficient condition for 2D three finger equilibrium grasps and implemented an geometrical algorithm for computing force closure grasps of arbitrary 2D objects in this article. The algorithm is quite simple and only needs some algebraic calculations. Finally, we implemented the algorithm and confirmed its usefulness by an example. 展开更多
关键词 force closure GRASP dextrous hand
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