This paper aims to investigate self-access centers'effects on college English learning. Data, collected in the form of questionnaires and interview, were analyzed. Results demonstrate that the self-access center(S...This paper aims to investigate self-access centers'effects on college English learning. Data, collected in the form of questionnaires and interview, were analyzed. Results demonstrate that the self-access center(SAC)does help students to promote learner autonomy, lower their anxiety and encourage their interest in college English learning.展开更多
Self-access language learning has attracted much attention in second language teaching and researching. This paper aims to do some researches on developing self-access language learning in the self-access center and t...Self-access language learning has attracted much attention in second language teaching and researching. This paper aims to do some researches on developing self-access language learning in the self-access center and test its effect on developing learner autonomy. Data,collected in the form of questionnaires and interview,were analyzed. Results show the development of self-access language learning by non-English majors.展开更多
随着数据中心的快速发展,不间断电源(Uninterruptible Power Supply,UPS)交流电源作为保障数据中心稳定供电的关键设备,其接入方案的选择变得至关重要。探讨了数据中心UPS交流电源的接入方案,重点考虑了数据中心运行环境要求和方案设计...随着数据中心的快速发展,不间断电源(Uninterruptible Power Supply,UPS)交流电源作为保障数据中心稳定供电的关键设备,其接入方案的选择变得至关重要。探讨了数据中心UPS交流电源的接入方案,重点考虑了数据中心运行环境要求和方案设计的因素。首先,介绍了UPS交流电源的概述和特性;其次,分析了数据中心对UPS交流电源的要求,在接入方案的考虑因素中,着重考虑了数据中心的运行环境要求以及方案设计中的UPS电源容量选择计算和蓄电池配置计算;最后,提出了合理的方案电气原理。通过研究和分析,可以为数据中心UPS交流电源的接入提供有益的参考和指导,确保数据中心的稳定供电和运行安全。展开更多
文摘This paper aims to investigate self-access centers'effects on college English learning. Data, collected in the form of questionnaires and interview, were analyzed. Results demonstrate that the self-access center(SAC)does help students to promote learner autonomy, lower their anxiety and encourage their interest in college English learning.
文摘Self-access language learning has attracted much attention in second language teaching and researching. This paper aims to do some researches on developing self-access language learning in the self-access center and test its effect on developing learner autonomy. Data,collected in the form of questionnaires and interview,were analyzed. Results show the development of self-access language learning by non-English majors.
文摘随着数据中心的快速发展,不间断电源(Uninterruptible Power Supply,UPS)交流电源作为保障数据中心稳定供电的关键设备,其接入方案的选择变得至关重要。探讨了数据中心UPS交流电源的接入方案,重点考虑了数据中心运行环境要求和方案设计的因素。首先,介绍了UPS交流电源的概述和特性;其次,分析了数据中心对UPS交流电源的要求,在接入方案的考虑因素中,着重考虑了数据中心的运行环境要求以及方案设计中的UPS电源容量选择计算和蓄电池配置计算;最后,提出了合理的方案电气原理。通过研究和分析,可以为数据中心UPS交流电源的接入提供有益的参考和指导,确保数据中心的稳定供电和运行安全。
