, 2004 19世纪洋务运动以来，许多国外技术通过工业建设和贸易转移到中国。20世纪50年代，工业建设再次成为国外技术向中国转移的一个主要途径。苏联技术首先随着援华建设的工业项目来到中国。通过引进成套机器设备、工艺和产品设计，中国工业在原材料、能源、机械、电工、兵器等产业领域较快地形成生产能力，从而奠定了中国现代技术和工业化的基础 ...
张柏春, 张久春
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, 1986 世界文明史上,各民族的数学,有的水平高,有的水平低,有的在这方面成绩卓著,有的在那方面独占螯头,都对世界数学的发展,对世界人类文明作出了贡献。不过,就整个数学史来说,大体有三个地区在不同的历史时期达到了高峰,是同时代其它民族所不可比拟的,这就是:公元前六世纪至公元前后的希腊数学;公元一世纪至十四世纪初的中国数学;文艺复兴之后产生在西欧并在欧美发展起来的变量数学。也就是说,世界数学重心先希腊,次中国,后欧美,经历了三次大转移,本文试图分析这三次数学中心产生及转移的背景,并作某些比较研究 ...
郭书春
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Nan Fang Yi Ke Da Xue Xue BaoWang L +8 more
europepmc +1 more source
[Clinical efficacy of thinned free flaps in reconstructing the wounds following excision of malignant extremity tumors]. [PDF]
Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za ZhiLi B +7 more
europepmc +1 more source
[Concepts and clinical practice of functional reconstruction of complex wounds]. [PDF]
Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za ZhiShen YM, Zhi L, Wang YW.
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[Mechanisms and applications of magnesium ion-regulated stem cell functions in promoting tendon-bone interface healing]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiZhu X +5 more
europepmc +1 more source
[Correlation between fourth brachymetatarsia and hallux valgus]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiLiang J +7 more
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Sheng Wu Yi Xue Gong Cheng Xue Za ZhiHan Z +5 more
europepmc +1 more source
[Research Advances on Mechanisms and Interventions of DNA Methylation-Regulated Aging-Related Imbalance in Bone Metabolism]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanHe T, Li J, Mei Y, Xiao G.
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[Arthroscopic treatment of posterior cruciate ligament tibial insertion avulsion fractures using a four-leaf clover-shaped titanium plate combined with an adjustable loop]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiQian Y, Shi C, Jiang W, Wang B, Zheng W.
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