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Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za ZhiZhong S, Wang YP, Xu CJ, Liu LF.
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, 1990 国外外汇管理法律制度的历史不长，我国外汇管理法的历史更短，世界各国对外汇实行管制（是外汇管理的别称）始终处于不断探索和完善的过程。基于我国对外开放。对内搞活的经济政策，有必要对国家的外汇收支和流动作统一管理，以保证我国的国际收支平衡，保证最有效地利用有限的外汇资金。以美国、日本和南斯拉夫为代表的三类实行外汇管制的国家为例，它们在管理外汇的过程中形成各自的特点和一般共通的规则，本文就三国的外汇管理法律制度作某些介绍和分析，以把握其整体发展趋势，藉此对照我国外汇管理法的现状并展望其前景。 论文分四个部分 ...
杨泉鸣
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Gaoya dianqi, 2019 交流系统可以通过简单的磁性变压器实现电压变换,而直流系统必须基于电力电子技术才能组网,尤其是以中高压大容量DC-DC变换技术为核心的直流变压器（DC Transformer,DCT）是推动新能源全直流汇集和直流电网一体化建设的关键环节。目前,直流变压器作为直流电网领域的新兴研究方向和热点,得到了国际学术界和工业界的较多关注。总的来说,
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[Preface to the column: advances in oral medicine]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiWang J.
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[Experimental curriculum design for undergraduates based on the improvement of scientific research abilities： taking determination of pyrimidine fungicides in soil by QuEChERS-gas chromatography-mass spectrometry as an example]. [PDF]
Se PuLyu F, Shan X, Zhao R, Zheng W.
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Zhonghua Gan Zang Bing Za ZhiZhao YQ, Wang Y, Liu JJ, You H, Zhao JJ.
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Beijing Da Xue Xue Bao Yi Xue BanYang X +7 more
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