查询词典 monocentric

In this section, applying the method, from abstract to specific and from history to present, it analyzes the operation mechanism of urbanization economy affected by market mechanism; puts forward four theories of urbanization economy from economic perspective, including agriculture surplus and comparison advantage; non-agricultural industry; agglomeration economy and spillover effect, on this basis of the theories, it, on one hand, analyzes two kinds of internal mechanism in the chronologic operation of urbanization economies: increasing mechanism of urbanization economies in urban output industry; and changing mechanism from specialization to integration, which are the representations of the evolution of "mart" development; on the other hand, it analyzes two internal mechanism of dimensional operation of urbanization economy: internal spatial enlargement mechanism of urbanization economies from monocentric city to multi-center city, and external spatial enhancement mechanism which represents city-regionalization and city-chain connection, the later two mechanism represent the evolution of "polis" development.

这一部分，按照由抽象到具体和由历史到现代的研究方法，分析了市场机制作用下的城市化经济运行机理，从经济学角度提出了农业剩余与比较优势、非农产业、聚集经济、外溢效应四大城市化经济定理；在此基础上，一方面分析了城市化经济运行沿时间增长的两个内在内容提要机制：城市输出产业的城市化经济增长机制和从专业化到综合化的城市性质变迁机制，它们主要表现为&市&发展的延续；另一方面分析了城市化经济运行沿空间增长的两个内在机制：从单中心到多中心的城市化经济运行的内部空间扩展机理和表现为城市区域化、城市连绵体的城市化经济运行的外部空间扩展机理，它们主要表现为&城&发展的延续。

This paper first introduces monocentric urban economic models that illustrate urban spatial structure.

首先介绍了在西方城市经济理论中被广泛接受的单中心城市空间结构静态模型。

In this prospective, monocentric study, 17 PCFPs in 16 patients were embolized during anticoagulant or antiplatelet therapy.

在预期的单中心研究中，在运用抗凝血剂或抗血小板治疗期间，给16个病人实施的17次PCFP治疗发生了栓塞。

And spatial model is evolving from monocentric city to polycentric city.

从业劳动力的这种空间分布模式及其变动趋势，基本符合大城市空间发展的一般规律。

There are 11 population distribution cores obviously instead of a monocentric pattern.

结果是：沈阳城市内部人口分布具有较高的不均衡性和聚集性；城市人口密度分布不符合单核心圈层式范式，具有11个明显的人口分布核心；在城市中心区域，人口分布的区域化特征更为显著；人口分布主要受到相近的两个人口核心的影响。

This city had entered into the primary stage of suburbanization.(3)The monocentric urban model indicates that the population density peak value of Nanjing in 1990s is still high, and people continued to concentrate to the center area.

多中心模拟的结果表明，1990年南京市表现为一主一次的双中心结构，但次中心刚刚发育，还很不明显；2000年南京市仍然保持双中心结构，次中心发育较为成熟。

London-considered a monocentric spatial form in European policy-has emerged as the most functionally polycentrie region studied.

此前的政策制定中，伦敦一直被认为是典型的单中心空间结构，研究发现，事实上它是一个功能强大的多中心区域。

With half century's development ,the monocentric Paris region gradually has changed into a polycentric IIe－de－France region.The space model, planning methods and administrative ways are also in a searching after courses.

大巴黎地区综合地理与经济概况大巴黎地区总面积12072平方公里（占全国国土面积的2.2％），它位于巴黎盆地中心，具有独特的地形、地貌和气候特征；在经济与人口方面是法国22个行政区中最重要的地区。

These findings convincingly confirmed that the isochromosomes 8q were monocentric chromosomes and that they were truly isochromosomes 8q rather than isodicentric chromosome (8)(p11) or a translocation between a chromosome 8 and any other chromosomes.

由此证实此核型为47，XY，-8，+i(8)(q10)×2，而非等臂双着丝粒8q或8号染色体与其它染色体易位所致。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。