migration rate

基本解释

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%。
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。
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。

Only Detroit has a higher net migration rate among the 200 largest U.S. metros.
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If the migration rate outside of the 10-mile zone were greater than 20 percent, it fears that those living inside that radius could get trapped.
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As Calderon recently noted in The Wall Street Journal, the net rate of migration of Mexican workers toward the United States has recently been zero.
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