广播电视英语短句 第 14 课：减少签证拖延-1

American officials say they are working to reduce visa delays that have affected foreign science students, researchers and others. 美国官员称他们正致力于减少签证拖延这一情况，而这已经影响到了外国理科学生，研究者和其他人员。

The delays involve a security clearance process called Visas Mantis. 导致这一拖延的包括一项叫做“签证螳螂检查机制” 的安全调查程序。

Through this program, different government agencies try to identify visa applicants who could threaten national security. 通过这个项目，不同的政府机构试图去确认那些会威胁到国家安全的签证申请人。

The aim is to protect American military technology or technology with possible military uses to other countries or to terrorists. 这一措施旨在保护美国军事科技或者与可能用于军事的科技，以免其流入外国或恐怖分子手中。

A two thousand five report said that seventy percent of Mantis requests came from China, Russia and Ukraine. 2005年的一份报告说70%的螳螂分子入境请求来自中国，俄国和乌克兰。