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The present paper probes into three of these dimensions, namely, the enterprise-manufacturer, industry-trade and region-zone dimensions, arguing that spatial agglomeration is characterized by business growth and spatial expansion on the first dimension, w
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文章从企业－厂商、产业－行业和区域－地带三个尺度研究了经济活动空间集聚，认为在企业－厂商尺度上，空间集聚特点是企业增长和空间扩张，作用机理是内部规模经济和内部范围经济；在产业－行业尺度上，空间集聚特点是企业的空间邻近性，作用机理是外部规模经济和外部范围经济；在区域－地带尺度上，空间集聚特点是产业的区域复合，作用机理是区域外部规模经济。 |
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The present paper proves P conjecture and the cabling conjecture partly for tunnel number on knots. And also gives a necessary condition of the cable knot having tunnel number one.
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针对洞数为1的纽结证明性质P猜想，部分证明缆式猜想；并给出缆式纽结的洞数为1的一个必要条件. |
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The present paper provides a class of quasilinear pseudohyperbolic equation of the existence of classical solutions of the first boundary value problem under some suitable structure conditions.
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摘要在一定条件下，证明一类拟线性伪双曲方程的第一初边值问题古典解的存在性。 |
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The present paper puts forward a new technique for stabilizing spectrum by rewriting spectral data document with computer software, which, based on gamma-ray holospectral survey and getting rid of radiorctive nuclide source, can remedy the defects existen
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摘要本文提出了一处基于γ射线全谱测量，摒弃放射性核素源，采用计算机软件重写谱数据文件进行稳谱的新技术，以弥补硬件稳谱技术的不足，并使稳谱效果更好。 |
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The present paper reviewed the research progress on in vivo inducing for kidney and stem cells therapy for renal diseases.
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拟就肾的体外诱导发育和肾疾病干细胞治疗的研究进展作一综述。 |
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The present paper reviews the construction and constitutes of pollen tube wall, the migration of generative cell and vegetative nucleus, as well as the movements of organelles and secretory vesicles in pollen tubes.
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本文就细胞壁的结构及组成，生殖细胞和营养核的移位，细胞器以及分泌小泡的运动等方面作了较全面论述。 |
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The present paper reviews the history and present situation of studies on Ophichthidae, summarizes the morphological characteristics, the phylogenetic relationships among genera in great detail.
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通过全面攷察蛇鳗科的研究历史，详细总结了该科的形态特徵和类群划分，概述了其生态特点和地理分布。 |
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The present paper shows that a class of continuous maps on circles which is extensiver than expand maps is topological stable. And its inverse limit systems are expansive.
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摘要讨论圆周上一类比扩张映射更广泛的连续映射，证明这种映射是拓扑稳定的，幷且其逆极限系统是可扩的。 |
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The present paper started with the myth, and discussed the development course of the primitive man's subject consciousness from the stage of confusing the nature with oneself else to the stage of primogenitor hero and to the stage of myth primogenitor.
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原始人从物我混同到始祖英雄创造，再到神话始祖的主体意识发展正是代表了主体意识在神话中的演变历程。 |
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The present paper, based on a review of the latest development in contemporary Western philosophy of science, argues that the Marxist epistemological studies in China should be carried out by referring to the contemporary Western research methodology to p
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摘要文章在分析当代西方科学哲学研究趋势的基础上，指出我国马克思主义认识论研究必须借鉴当代西方科学哲学的研究特点，为实践服务，不断当代化与国际化。 |
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The present paper, however, shows that the imperial catalogers, despite their training in rigorous evidential scholarship, were not free from bias derived from intellectual preference and traditional moral influence.
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文章通过比较《四库提要》所载明朝中叶有名士大夫岳正(1418~1472)的两本著作的提要和这两篇提要所出的原书，发现这两书内容基本相同而提要则评价迥异其词。 |
