在机场的秘密位置，人们在检验口或入境处可以理解地接受初次测试。
In a covert situation at an airport, people could conceivably undergo the initial assessment at check-in or immigration.
最后，我要讨论DB 2 9.7中两个重要的改进，它们可以节省时间和提高性能：初次使用检验(first - use validation)和新的默认锁状态。
I'd like to wrap up by mentioning two important improvements to DB2 9.7 that can save you time and increase performance: first-use validation, and a new default locking state.
种筛查检验策略，不同初次筛查的年龄，不同筛查方法及不同筛查频率。
Table 1: Twenty-seven screening test strategies that differ by age of first screening, type of screening test and frequency of screening.
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