migration rate

基本解释

Between 2000 and 2001, in contrast, the migration rate fell from over 15% to under 14%.
與此形成鮮明對比的是2000年到2001年。人口流動率從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.
在不考慮橫曏燒結非均勻性的情況下，將燒結過程熱狀態描述爲料層各帶厚度的分佈和遷移速度的變化。
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年的人口流動率衹有不到12%，州間流動率跌倒1.6%，不到戰後數十年水平的一半。

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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