TSA also ordered an overall increase in the use of "enhanced screening technologies," along with "threat-based" and random screening, for U.S.-bound airline passengers.

美国运输安全管理局还要求对飞往美国航班的乘客在进行“基于威胁度”检查和随机安检的同时增加整体上对“强化安检技术”的使用。

youdao

TSA also ordered an overall increase in the use of "enhanced screening technologies," along with "threat-based" and random screening, for U. s. -bound airline passengers.

美国运输安全管理局还要求对飞往美国航班的乘客在进行“基于威胁度”检查和随机安检的同时增加整体上对“强化安检技术”的使用。

youdao

In this research, random screening of 10 SSR primers from Populus and Salix, respectively, and the genetic relationship among 17 poplar cultivars and 20 willow cultivars were studied.

利用SSR引物的种间通用性，本研究分别从杨属和柳属中各随机筛选出10对SSR引物，对17个杨树品种和20个柳树品种的遗传关系进行了分析。

youdao

Shin is one of a lucky few winners of a selection process for these reunions that involves both a random lottery and a screening based on age and family history.

VOA: standard.2009.09.26

Remember that you may still be subjected to random screening procedures and enhanced security measures, just like our Trusted Traveler systems in the U.S. and Canada.

FORBES: Australia's Airports The Latest To Get Smarter Than Ours

Right now the FAA and airlines rely on random screening and computer-assisted passenger screening to decide which bags should be screened, based on a profile of suspicious behavior.

CNN: Congress mulls tightened security for checked baggage

On Thursday, Department of Homeland Security Secretary Janet Napolitano said that aviation security was being tightened to include enhanced random screening, additional federal air marshals and the addition of names to the terrorist watch list.

CNN: Source: 'Palpable level of angst' over terror threat