The micro-hole machining is all along the difficulty in mechanical manufacturing, especially in national defence manufacturing.

Emergency operation assignment concerning national defence.

由于国防原因需要采取紧急措施.

He registered for the national defence troops.

他报名参加了国防军.

Institute education for national defence.

国防教育.

National defence is indispensable.

国防不可不有.

This matter comes under the Ministry of National Defence.

这件事归国防部管.

China's four modernizations include the modernization of national defence.

四个现代化,有个国防现代化.

He was translated to the Ministry of National Defence.

他被调到国防部工作.

Stealth technology is one of national defence high-tech in the world.

隐身技术在世界范围内属国防高科技之一.

It is always perilous to neglect our national defence.

忽视国防始终都是危险的.

The Office of National Defence Industries should keep this problem in mind.

国防工办要注意这个问题.

Third, we should develop sophisticated technology in national defence.

第三要抓国防尖端技术.

National defence must take precedence over all other questions.

国防问题必须优先考虑.

Target recognition is an important research focus of aerial defence in modern times.

空中目标识别是现代防空作战的重要研究内容.

The immune system is our main defense against infection.

免疫系统是我们对抗感染的主要防卫.

Police are the major line of defense against crime.

警察是犯罪的主要防卫线.

People used to build strong walls round their towns as a defense against enemies.

人们从前在城镇四周筑坚固城墙以防御敌人.

An individual's only defense against the press is the law of libel.

个人对新闻界唯一的反抗方式就是搬出《反诽谤法》.

The best defense against poisoning is developing a cryptographically secure cookie.

从美式橄榄球中可以得到个启示,记住:最好的防守是进攻.

The best defense against being Google anonymous is a good offense.

最好的防御就是来次漂亮的进攻.

Tito was not much surprised at this mode of defense against visitors thunder.

蒂托毫不奇怪地要用这种方式来防卫来访者的敲门声.