homeland security 和 national security 有什么不同?

homeland security 和 national security 有什么不同? uepartment of Homeland Security department-of-homeland-security是什么意思 u.s.department of homeland security是什么意思 国土安全 DEPARTMENT OF HOMELAND SECURITY IN怎么样 motherland和homeland有什么不同啊? Group: Terrorism not focus of Homeland Security翻译来自：cnn主要内容：Most court cases brought by the U.S. Department of Homeland Security involved immigration issues not claims of terrorism, according to a report issued Sunday by an indepe Sen.Susan Collins,R-Maine,chairwoman of the Senate Homeland Security R-maine 是不是republican的意思 security security hometown和homeland的区别请解释详细一点,谢谢 security和safe的区别 翻译一下下面几个词,谢谢!biothreat, Bacillus anthracis spores,methylation,bioaerosol,proteomics,amplicons,the Department of Homeland Security National Bioforensic Analysis Center,biodefense,electrospray,bioweapon abused the argument 什么意思?The 89-year-old said the National Security Agency and others have abused the argument that gathering intelligence is critical to homeland security. 这个argument什么意思啊? 请问be taken aback 后能否添加不定式我在网上遇到了一个句子Meanwhile ,Homeland Security agent Darrin Hooks arrives at the hotel and is taken aback to find that he's the second Homeland Security agent arriving on the scene .请问 safety和security有什么不同 security 和safety有什么区别 safe 和security 什么区别呢?