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- But the creation of a layered defense, which attempts to intercept the missile at multiple stages of its trajectory, is not necessarily a cost-effective strategy. 但是建立这种多层的防御系统，却未必是符合成本效益的策略。
- Like all security controls, these two approaches to detecting malware are layered defenses, supporting each other, identifying threats the other misses. 像所有安全控制一样，这两种检测恶意软件的方法是层叠防御，互相支持，鉴别对方漏掉的威胁。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Many heroic men and women have died in defense of liberty. 许多英勇的男男女女为捍卫自由而牺牲。
- They had a dogged defense of the city. 他们对城市进行了顽强的防守。
- They are repairing the defense works. 他们正在修防御工程。
- The accused has the right to defense. 被告人有权获得辩护。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- ARPANET started by the US Dept. of Defense for research. 美国国防部建立了阿帕网，作研究用。
- She's on attachment to the Ministry of Defense. 她现在隶属于国防部。
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- The defense was overwhelmed by superior numbers. 防守被优势的兵力摧垮了。
- She spoke up in defense of her political beliefs. 她为她的政见力辩。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- He was called as a defense witness. 他被传唤作被告的证人。
- Several nations formed a defense league. 几个国家结成了防御联盟。
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- He was the then secretary of Defense. 他是当时的国防部长。
- The defense of the accused was rather weak. 被告人的辩护软弱无力。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
