internal migration
英 [ɪnˈtɜːnl maɪˈɡreɪʃn]
美 [ɪnˈtɜːrnl maɪˈɡreɪʃn]
（卵排出后）内移；国内人口流动
双语例句
- Even when we look only at internal migration, the barriers are formidable.
即便只是观察一下内部移民政策，其障碍也是巨大的。 - Developing countries currently face internal and external migration of their health workforce and interventions are needed to attract and retain health professionals in rural areas.
目前发展中国家面临着医疗人员在国内流动和向国外移民的问题，需要采取干预措施来让农村地区吸引和保留专业医务人员。 - Demographers also expect strains on the household registration system, which restricts internal migration.
人口统计学家同时预测阻碍国内移民的户籍制度将受到压力。 - Internal migration ( as opposed to immigration) between the countryside and cities.
从乡村到城市的内部迁移（与移民相反）。 - Three genetic operators are proposed: improved crossover ( IMCX), internal crossover ( INCX), and migration which transfers a task from a processor to another within a schedule as a kind of mutation.
在列表编码的知识表示基础上，设计了三个有针对性的遗传算子，即改进的交配算子、内部交配算子和一种作为变异的迁移算子。 - Internal migration of the foreign-born: population concentration or dispersion?
外国出生人口的国内迁移：人口集中还是分散？ - A late industrialization created a huge wave of internal migration that, in turn, brought chaos to the cities, unprepared to accommodate so many new arrivals.
最近的工业化产生了巨大的国内迁徙，给没有准备好接纳如此多新移民的城市带来了混乱。 - The government wants to shut the refugees out. Lifting restrictions on internal migration raises the unwelcome prospect of a mass migration, while abandoning the one-child policy would be politically unpalatable.
政府不愿接收难民.加强对国内移民的限制也增强了移民群体的不满，放弃一胎化政策又难过政治关。 - First, the problem of deforestation in Brazil is tightly linked to internal migration.
首先，巴西森林砍伐的问题与国内移民密切相关。 - With the removal of internal migration restrictions in the European Union in1992, Europeans have become more sensitive to tax differences between countries.
1992年，随着欧盟内部人口迁移限制的解除，欧洲人对于国家间税收的差异变得更加敏感。 - Internal migration in China reached a new era of high activity and high capability.
研究发现，中国人口迁移进入高活性、高能力的新阶段； - Mechanism of internal moisture migration in wood during the microwave drying
微波干燥过程中木材内部水分移动机理初探 - Three genetic operators, such as improved crossover, internal crossover and migration as a kind of mutation, were designed based on permutation representation.
算法直接采用任务列表编码结构，在此基础上设计出三个专门的遗传算子，即改进的交叉算子、内部交叉算子和具有变异功能的迁移算子。 - Diffusion coefficient of oxygen and activation energy are determined from the internal oxidation kinetics so as to obtain the migration velocities of the reacting interface in different stages.
测出氧在Cu基体中的扩散系数和内氧化过程激活能，进而得到不同阶段反应界面迁移的速度方程。 - Experiment results show there is a internal vapour pressure field in wood being dried during the microwave drying process, which is high in the internal parts and low in the external parts, and the internal vapour pressure difference is the driving force of moisture migration.
实验结果表明：微波干燥过程中，存在内高外低的压力场，内中蒸汽压力是水分移动的驱动力。 - Internal causes of radon and its daughters upward migration and cluster phenomenon
氡及其子体向上运移的内因与团簇现象 - To research the redistribution of particles in internal combustion engines of ships, the radial migration of a single particle in laminar flow is studied experimentally.
为了研究船舶内燃机工作过程中颗粒浓度的再分布问题，本文对层流流动中单个颗粒横向迁移的动力学机理进行了实验研究。 - In these circumstances, internal migration in China does not follow the normal law of push and pull.
这样，中国的人口流动将不再遵循一般的推拉规律。 - Therefore, based on the theoretical approaches of internal migration, the study of international migration pays more attentions to other factors, such as regulations, welfares and other non-economic factors.
由于国际迁移的这些特点，国际迁移在境内迁移的理论基础上，还要考虑国家之间的法规和政策限制的因素、国家间社会福利之间的差别，以及更注重对非经济因素的考查。 - The internal condition is the enterprise's internal resource and ability which is the internal reason of enterprise migration.
内部企业因素是指企业的内部资源以及能力，它是企业战略实施的内在动因； - Long-distance migratory birds provide a perfect models for study the phenotypic changing of the vertebrate taxon internal composition, the organ flexibility has been an important subject in long-distance migration studies, and a new topic of physioecology.
长距离迁徙鸟类为研究脊椎动物内部结构的表型改变提供了完美的模型，其器官形态结构的弹性改变已成为迁徙鸟类研究的一个重要主题，成为生理生态学新的研究焦点。 - The protection mechanism of rubber protecting waxes was described. The enviromental temperature of rubber products, wax composition, cross-linking density of vulcanizate, internal migration of waxes, compounding ingredients of compound, wax concentration were direct influence factors of wax protection effect.
结合橡胶防护蜡的作用机理说明橡胶制品环境温度、石蜡化学组成、硫化胶交联度、石蜡内部迁移、胶料配合剂和石蜡浓度是直接影响防护蜡性能的因素。 - In these following up cases, coxa vara was found in 8 cases ( 11 7%), the break of internal fixture was in one case and migration of internal fixture in 6 cases.
发生髋内翻8例，占11.7%，内固定物折断1例，松脱6例。 - The theoretical meaning of this paper is to illustrate the internal mechanisms between the heterogeneous labor migration and the regional income disparity by constructing a spatial equilibrium model of them. The research area about the new economic geography is developed.
这样一种研究的理论及现实意义在于，通过构建异质性劳动力流动与地区收入差距的空间均衡模型，系统地梳理出两者之间的内在作用机理，以便在新经济地理学框架下进一步拓展研究空间。 - Then the model is used to explain the internal relations in periods of regional disparity, urban configuration, economic structure and labor migration in China since 1978.
然后，利用模型，考察了1978年后中国地区差距、城市形态、经济结构和劳动力流动的阶段性特征之间的内在联系。 - However, the basic and internal causes stimulate labor migration is a great amount of population in rural area compared with the comparative less cultivating land.
而较多的农村人口数量和较少的耕地资源禀赋是促进我国农村劳动力转移的原始动力和内在根本原因。 - Within constraints from internal and external factors, in the migration option process, rural labor show a kind of bounded rationality and a diversity of migration behavior in the way of migration.
在内外部因素制约下，农村劳动力在迁移选择过程中表现出一种有限理性，体现在迁移方式上则表现为迁移行为的多样性。 - This paper, first, summarizes the research on the population migration in internal and external, and introduces some theories about population migration.
本文首先总结了国内外人口迁移研究进展状况，介绍了人口迁移研究的一些相关理论。 - The decay of school buildings and campus during Anti-Japanese War leading to internal migration until the liberation of China they came back and had a rapid restoration.
抗战时期校舍被毁发生衰变，校园内迁，解放后返沪，且恢复迅速。