As recently as five years ago, US migration was twice the rate of European Union states.
就在5年前，美国的移民率还是欧盟国家的两倍。
During periods when commodity prices were high, the rate of westward migration increased spectacularly.
在商品价格较高的时期，西迁的速度大幅增长。
Only months or years down the road (depending on growth rate) will they plan for a migration to external disks, and usually tapes will only be in place after numerous years.
而仅仅几个月或几年之后（取决于增长速率），他们就会开始规划移植到外部磁盘，而磁带通常要在几年以后才会参与进来。
Between 2000 and 2001, in contrast, the migration rate fell from over 15% to under 14%.
与此形成鲜明对比的是2000年到2001年。人口流动率从15%以上降至不到14%。
Economy growth rate of an area depends on the quantity of the migration population.
迁移的人口数量直接决定了一个地区的经济增长速度的快慢。
In 2008 the domestic migration rate was just under 12%, and the rate of migration between states fell to 1.6%-less than half the level that prevailed in the post-war decades.
2008年的人口流动率只有不到12%，州间流动率跌倒1.6%，不到战后数十年水平的一半。
China's urbanization rate is 50% now driven by large-scale demographic migration.
受大规模人口迁移的驱动，目前，中国的城市化率达到了50%。
Hall coefficient depends on electronic concentration and the relative values of empty hole concentrations and their migration rate in the semiconductor.
而霍耳系数取决于半导体材料中电子浓度和空穴浓度的相对大小及其迁移率之比。
In the same structural model, hydrocarbon migration rate within interim opening fractures is faster than that of permanent ones.
在相同地层结构模型中，间歇性开启断裂中的油气运移速度较永久性开启断裂快；
Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of such reservoirs.
疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。
This paper analyzes migration situation in China based on the birth place data from the 2000 Census, it involves the matter of the size of the migration, change, rate, and move orientation.
基于2000年人口普查的出生地资料，分析了中国人口迁移态势，包括外地出生人口的数量、变动、比率和流动方向。
DNA damage rate and the average migration distance of DNA were increased in a concentration dependent manner.
随着乙醇醛浓度的升高dna损伤率和DNA平均迁移距离均以浓度依赖方式增加。
The secondary carbides have a strong influence on recrystallization rate by retarding the migration of recrystallization grain boundaries.
退火过程中析出的二次碳化物阻碍再结晶晶界的迁移，从而影响再结晶层的界面推移速率。
The average quantities, average rate of age spcific migration and average age specific population in the four years from 1985 to 1989 can be estimated by using this method.
据此方法可得出1985年到1989年四年间平均按龄迁移量、平均按龄人口数及平均按龄迁移率。
The migration rate of new grains continuously decreased, many of them even stopped growing at a certain size and remained unchanged during long annealing time.
新晶粒的界面迁移速率在迁移过程中不断下降，以至最后几乎停止迁移。
It is concluded that the sand waves are formed mainly by the actions of tidal current, and the migration rate of sand wave in the study area is several meters a year.
认为研究区沙波主要系在潮流作用下形成。研究区沙波迁移速率为每年数米。
Take no account of transversal heterogeneity, thermal state of sintering process is described as the change of the thickness of each zone in bed layer and migration rate.
在不考虑横向烧结非均匀性的情况下，将烧结过程热状态描述为料层各带厚度的分布和迁移速度的变化。
The thin film transistor of the invention has the advantages of small photosensitive degeneration, high migration rate, fast response speed, flexibility and good stability of performance.
本发明的薄膜晶体管具有光敏退化性小、迁移率高，响应速度快、柔性可弯曲、性能稳定性好的优点。
First, in the paper the migration rate is amended on the basis of the statistical distribution and the better transient response models are put forward.
从统计分布规律出发，讨论了简并和非简并情况下载流子等的异同，提出简并条件下需采用费米分布来修正迁移率等。
Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of s...
疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。
At the same time, the structure of this invention can improve the electric load current carrier migration rate in the semiconductor component.
同时，本发明的结构能增进在半导体元件中的电荷载流子迁移率。
It was found that the rate of ion exchange depends on the migration of individual ions and that the particle diffusion coefficient changes with the fractional attainment of equilibrium.
个别离子的迁移率对交换速率有影响，粒子扩散系数随平衡分数而改变。
The migration program VSP MIG that was developed using P-wave equation may be used to mig- rate both surface seismic data and VSP data.
用P 波方程编制的偏移程序VSPMIG 既可用于地面资料的偏移，也可用于井中资料的偏移；
The Sr2+ migration rate was the lowest in zeolite column, higher in 4A zeolite column and the highest in attapulgite column.
在沸石柱中的迁移速率最小，其次是4A沸石柱，再其次是凹凸棒石柱。
There are mainly 4 key parameters of natural gas resource evaluation, including gas production rate, migration-accumulation coefficient, play evaluation parameters, and recovery rate.
天然气资源评价重点参数主要包括产气率、运聚系数、区带评价参数与可采系数等4项。
After completing the data migration, SSMA will display a report with the number of rows migrated, the success rate and The Times taken to migrate each table (see Figure 7).
完成数据迁移、址将后显示的行数与报告的迁移，成功率和迁移的每个表所花费的时间(请参阅图7)。
Population migration rates and net migration rate have relatively clear role on guidance, population migration can be considered the external guidance to the information flow of mobile communication;
人口迁入率和净迁移率的导引作用相对明显，人口迁移可以认为是对移动通信信息流动的外部导引；
The length and rate of DNA migration in low dose group were markedly different from medium and high dose groups. There was no significant difference between medium and high dose groups.
微核率随着甲醛剂量的增加而升高，迁移率和迁移度在低剂量组与中、高剂量组之间有显著差异，中与高剂量组之间无显著差异。
The length and rate of DNA migration in low dose group were markedly different from medium and high dose groups. There was no significant difference between medium and high dose groups.
微核率随着甲醛剂量的增加而升高，迁移率和迁移度在低剂量组与中、高剂量组之间有显著差异，中与高剂量组之间无显著差异。
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