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1)  communication with foreign culture
异文化交流
1.
In Japanese universities, the establishment of mixed class for the purpose of Japanese education of foreign students can effectively stimulate the communication with foreign culture and enable students to realize the linguistic and cultural study in the communication and practice.
在日本大学里,针对留学生的日语教育通过设立异文化混合班,有效地促进了异文化交流,使留学生在这种以学生为主体的教育形式下,通过异文化的交流与实践,自我实现语言和文化的学习。
2)  culture communication
文化交流
1.
Kenneth Lo,as an ambassador of Chinese cuisine culture,is irreplaceable in diffusing Chinese cuisine culture and plays an important role in Chinese-foreign catering culture communication history.
罗孝建在传播中国烹饪文化方面有着不可替代的作用,在中外饮食文化交流史上有着重要的地位,是传播中国烹饪文化的使者。
2.
The article study from Chinese Buddhism culture and across the culture communication,demonstrate the relations between across the culture communication and Buddhism architectural culture,approach the possibility to understand the Buddhism architecture from the angle of the culture communication and propagation and pose the emphasis and main concept of the problem.
从中国佛教文化的研究和跨文化交流的研究入手,论证了跨文化交流与佛教建筑文化之间的关系,探讨了从文化的交流与传播的角度系统梳理佛教建筑的可能性,并提出了研究要点与主要概念。
3.
Folk custom is a significant part of traditional culture,which plays an important part in both civilization construction and culture communication between China and other countries.
对它的产业开发还有利于繁荣经济 ,促进中外文化交流 ,推动中国更好地走向世
3)  cultural exchange
文化交流
1.
On Sino-Vietnamese cultural exchange in the independent era;
略论自主时期的中越文化交流
2.
Matteo Ripa Coming to China at The Beginning of Qing Dynasty and The Cultural Exchange between China and the West;
清初来华传教士马国贤与中西文化交流
4)  cultural communication
文化交流
1.
Initial Study of Guangzhou s Status in Chinese and Western Cultural Communication in the End of Ming and the Beginning of Qing;
略论明末清初广州在中西文化交流中的地位
2.
The authors believe that the main factors for the formation of Danxi medicine are the cultural communication between the south and north in the Yuan Dynasty and the integration between the northern medicine and southern medicine in the Jin Dynasty.
从社会文化的角度对丹溪医学的源流发展进行探讨,分析丹溪医学形成、发展的历史社会背景,认为元代南北文化交流,以及金代北方医学与南方探究"天人之理"的朱熹理学二者的结合,是丹溪医学形成的重要因素。
3.
This paper is to observe the word item taikonaut and its varieties in multicultural contexts,and consider language creativity in a special historic period and for cultural communication through translation.
文章从Taikonaut一词切入,考察其在多元语境下的变体,探讨在特定历史时期的词语创新和基于翻译的文化交流。
5)  Cultural Exchanges
文化交流
1.
Sino-American cultural exchanges: a historical review;
中美文化交流的历史回顾
2.
This text using the law of documents and materials and comprehensive analytical method,has analysed the relation of sports and cultural exchanges,and propose the impact on cultural exchanges of sports.
本文运用文献资料法和综合分析方法,分析了体育与文化交流的关系,提出体育对文化交流的影响。
3.
By studying the activities made by the foreigners in the coastal city of Shandong Province and the economic and cultural exchanges occurred between people living along the canal foreign friends,we can explore the role that the canal plays in the cultural exchanges between the Chinese country and foreig.
通过外国人在山东运河沿岸城市的活动和山东沿运河城镇居民与外国友人的交往及经济文化交流,可以探讨运河在中外文化交流中的作用。
6)  culture exchange
文化交流
1.
Origin and development of the thought of Chinese sci-tech journal culture exchange (Ⅱ):Popularizing and promoting the thought of scientific culture exchange: formation and practice;
中国科技期刊文化交流思想源流考(二)——普及提高并举科学文化交流思想的形成与实践
2.
The Confucian idea of "three mentors" adopted by Hong Dae-yong and "ancient Hangzhou s three gifted scholars" lays a solid foundation for the culture exchange in Northeast Asia since their culture values are oriented toward the pursuit of real knowledge.
洪大容和"古杭三才"的儒家"益者三友"思想,是东北亚文化交流的组织基础;以追求真正学问之道为文化取向;他们的友谊和文化交流为东北亚文化的发展和东北亚精神家园建设在历史上产生了积极影响。
3.
Taking the sport culture exchange of Eurasia as the background,this paper analyzed the historical status and basic characteristics,and put forward the theory on the vicissitude of sports cultural center on Eurasia.
以亚欧文化交流为背景,指出了亚欧体育文化中心转移的历史现象,并分析了影响体育文化中心转移的历史原因。
补充资料:交流-交流直接变频调速


交流-交流直接变频调速
variable frequency AC motor speed control by direct AC-AC converter

  J一Qoi一u一J一oollu zh一J旧blonP一nt一oosu交流一交流直接变频调速(variable frequeney给定值相对应的三相基准电压。再经过比较器形成触发晶闸管的触发角,并产生触发脉冲,经放大后触发晶闸管。 由于交流一交流变频器中,交流输人侧会产生很大的无功功率,从而降低电源设备利用率;交流输人侧存在着高次谐波电流,将使电源电压的波形发生畸变.如要降低无功功率,可采用中点偏压法、环流控制法、级联法等控制方法。如要降低高次谐波,可采用输出电流波形控制法、两台交流一交流变频器谐调运行等。近来,价格低廉、性能良好的微机控制电路已经产生,从而简化了电路、提高了控制性能。 应用交流一交流变频器为一级(直接)换能,效率可高达90%以上;其换流为电源自然换流,不需要辅助换流电路,简化了主电路;直接变频容易实现四象限运行。但由于交流一交流变频器中晶闸管是靠电网电压进行换流,变频器最高输出频率不超过电网频率的1/2~1/3,否则,输出波形将发生严重的畸变和不对称。因此,这种变频调速适于低速大容量的电动机负载,如球磨机、矿井提升机、轧钢机、卷扬机、风洞等传动;或者将中频变为较低频率供电给电动机进行调速,如电动车辆上将I000H:中频发电机的电能转变为400H:以下的电能供给电动机进行调速。如果交流一交流变频器所带负载是容性的,例如在无换向器电动机中,电流超前于电压,或者采用其他措施进行强迫换流,使晶闸管能及时关断,则交流一交流变频器的输出频率将不受限制,甚至可以做到输出颇率高于电源频率,从而可能实现对高速电动机进行调速。AC motor speed eontrol by direet AC一AC eon-verter)采用交流一交流直接变频器实现交流电动机调速的技术。交流电动机的极对数一定时,其同步转速与供电电源频率成正比,改变频率就能调节电机的转速(见变频调速)。交流一交流变频器就是直接将恒压恒频的交流电通过电力变流器变换为变压变频的交流电源,供电给交流电动机进行调速。常用的交流一交流直接变频调速的线路如图1所示,图l(a)为三相零式线路,图1(b)为三相桥式线路,均采用三组晶闸管反并联可逆变流装置构成三相输出。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条