1.
U.S. warplanes attacked air defenses in northern Iraq on Thursday.
美国战机星期三轰击了伊拉克北部的空中防御设施。
2.
The fort can't be defended against an air attack.
这个要塞无法防御来自空中的袭击。
3.
Research on the Ordering of Escorts in the Anti-Air-Defense Mission of Ship Formation;
护航运输队对空防御中舰艇重要性排序研究
4.
In accordance with the study of the theory of the large area air defense, the position and function of the terminal defense in the system of the large area air defense in the future air defense were analyzed.
结合大区域防空作战的理论研究，分析未来防空中末端防御在大区域防空体系中的地位和作用。
5.
defensive warfare, measures
防御战、 防御措施
6.
Missile Defense and Prevention of an Arms Race in Outer Space
导弹防御和防止外空军备竞赛问题
7.
Analysis on Multiplayer Defense of the Different Types of Air-Defense Weapons’ Disposition
不同类型防空武器多层防御部署分析
8.
A hollow metal cylinder used especially in constructing dams and foundations.
金属筐一种尤其用于筑堤及防御工事的中空的金属筐
9.
Threat Sequencing Model of Aerial Targets of Warship Fleet Based on Layered Defense
基于分层防御的舰艇编队空中目标威胁度排序模型
10.
Sea-based midcourse ballistic missile defence system of USA-navy theater wide defence system;
美国海基中段防御系统——海军全战区防御系统
11.
Analysis of Air Defense Warfare Efficiency of Surface Warship Formation;
水面舰艇编队对空防御作战效能分析
12.
Star Wars", TMD and NMD belong to a part of the future space war.
星球大战"，战区防御系统，国家防御系统都属于未来空间战的一部分。
13.
Operational Effectiveness Analysis of Interceptive Defense Systems in Air Defense;
阻击式防空防御体系的作战有效性分析
14.
Research on the Safety Analysis and the Efficiency Evaluation of Air Defense Information Recovery Maneuver System
防空信息防御作战系统安全分析与效能评估
15.
The U. S. Army Air Forces believed in daylight bombing with the heavily defended Fortress type of bomber as the backbone of the organization.
美国陆军航空队，相信在白昼轰炸，应以防御性的空中堡垒重轰炸机为组织之骨干。
16.
China has consistently pursued a national defense policy that is defensive in nature.
中国始终奉行防御性的国防政策。
17.
China pursues a national defense policy that is defensive in nature.
中国奉行防御性的国防政策。
18.
Passive defence is also known as purely defensive defence or pure defence.
消极防御，又叫专守防御，又叫单纯防御。