It is believed that the similarities and differences between the target language and any other language that has been previously acquired can exert either negative or positive influence on the process of language lear...It is believed that the similarities and differences between the target language and any other language that has been previously acquired can exert either negative or positive influence on the process of language learning. On the basis of a case study, the author thinks that markedness theory can provide a more reasonable explanation to the difficulties and errors learners experienced in their second language learning.展开更多
介绍了一种在并行多处理机环境下,利用分布式对象数据库对可扩展标识语言进行并行查询的新方法:基于父子关系的并行流水线连接查询方法(Parallel Pipeline Joining Based on Parent-Child Relationship,PCPPJ)。PCPPJ查询方法在长路径...介绍了一种在并行多处理机环境下,利用分布式对象数据库对可扩展标识语言进行并行查询的新方法:基于父子关系的并行流水线连接查询方法(Parallel Pipeline Joining Based on Parent-Child Relationship,PCPPJ)。PCPPJ查询方法在长路径和大文档情况下有更好的查询效果。展开更多
文摘It is believed that the similarities and differences between the target language and any other language that has been previously acquired can exert either negative or positive influence on the process of language learning. On the basis of a case study, the author thinks that markedness theory can provide a more reasonable explanation to the difficulties and errors learners experienced in their second language learning.
文摘介绍了一种在并行多处理机环境下,利用分布式对象数据库对可扩展标识语言进行并行查询的新方法:基于父子关系的并行流水线连接查询方法(Parallel Pipeline Joining Based on Parent-Child Relationship,PCPPJ)。PCPPJ查询方法在长路径和大文档情况下有更好的查询效果。