S. workforce but sets an IQ score of just 125 as a screening threshold.
而博朗已开始雇用美国工人，但只有125分作为筛选门槛。
Screening — Kelly notes that whereas there used to be just the television screen and then the computer screen, now screens are everywhere.
凯利提出，过去只有电视机屏幕，以及之后的电脑屏幕，而现在，屏幕无处不在。
And therefore, as with all biology, you get selection through screening, whether you're screening for hydrogen production, or chemical production, or just viability.
由此，就像所有生物学实验过程一样，我们可以通过屏幕进行选择，无论是要制造氢，还是制造化学物质，抑或仅仅了解其生存能力，都可以从屏幕上获得。
As in other cases during the past few years, average travelers are now the ones paying the price by spending even more time in international airport terminals and undergoing increased screening, while security officials attempt to figure out just went wrong and who was responsible.
VOA: standard.2009.12.28
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