1.
An encircling fortification around a fort, castle, or town.
围城，城廓环绕堡垒、城堡、城镇的防御区
2.
(4) buildings and structures which are located in the key areas under surveillance for and protection against earthquakes.
（四）地震重点监视防御区的建筑物、构筑物。
3.
defensive warfare, measures
防御战、 防御措施
4.
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
5.
We are against the systems of the TMD and NMD.
我们反对美国的战区导弹防御系统和国家导弹防御系统。
6.
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。
7.
Research on Winter Injury and Prevent Technique of Alfalfa (Medicago sativa L.cv.‘Aohan’)in Chifeng Region
赤峰地区敖汉苜蓿冻害及其防御技术
8.
Hurt of Sping Frost to Tea Bush in Nanjing Area and Its Prevention
南京地区晚霜冻对茶树的危害及防御
9.
Prediction and Preventative Strategies of Earthquake Damage of Buildings in Uban Area of Zhangzhou City;
漳州市区建筑物震害预测及防御对策
10.
The Research and Implementation of Defense of Buffer Overflow Virtual Machine;
缓冲区溢出防御虚拟机的研究与实现
11.
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。
12.
Comparison of the Psychological Defense Mechanism of Missile Troop Officers and Soldiers in Difference Defense Regions;
不同防区导弹部队官兵心理防御机制比较
13.
defense against biological warfare.
抵御生物战争的防御。
14.
This way of fighting is vastly different from purely frontal defence.
这种战法，比较单纯的正面防御大有区别。
15.
Japan and the United States have agreed to jointly develop the Theatre Missile Defence(THD)system.
日美两国同意共同研究战区导弹防御系统（TMD）。
16.
The war has impacted the area with military and defense workers.
战争使那个地区挤满了军队和防御工程人员。
17.
An enclosure formed by a circle of wagons for defense against attack during an encampment.
车阵用运货车围成的围栏，用作营地的防御地区
18.
The south side still holds the old city walls and fortifications.
南边的陆地上矗立着旧城区的城墙和防御工事。