·2,447,543篇论文数据,部分数据来源于NoteExpress
If you adjust their lifetime fertility rate to take account of this bulge of babies on arrival, you find immigrant fertility is about 2.2, not much above average.
如果考虑到达时的婴儿波峰,从而调整她们的终身出生率的话,会发现移民的人口出生率大约2.2,并不比平均水平高出多少。
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The industry average for on-time arrival rate was 81.8 percent of flights, compared with 80 percent in 2011.
NPR: Airline Passenger Complaints Surged In 2012
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