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。
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。
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。
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。
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