Finally, they changed their policy ho strategic attack to strategic defense.
宋太宗及群臣从战争的现实中逐步改变了对辽策略，终于从战略进攻完全转为战略防御，并采取了若干较为有效的防御措施。
Party organization is not only battle fortress but also political core in the work;
努力在学院建设中发挥战斗堡垒和政治核心作用
(4) the strategic defensive and the strategic offensive;
（四）战略防御和战略进攻；
Strategic Defence Initiative
战略防御计划（或战略防御倡议）
1. THE STRATEGIC DEFENSIVE IN GUERRILLA WAR
第一节 游击战争的战略防御
CHAPTER VII THE STRATEGIC DEFENSIVE AND THE STRATEGIC OFFENSIVE IN GUERRILLA WAR
第七章 游击战争的战略防御和战略进攻
Textual Resarch on the Time of Setting up the Sixth War Zone in Strategic Defense Period in Anti-Japanese Wartim;
抗战时期战略防御阶段第六战区起止时间考
The Cooperation Between the CP and KMT in Strategic Defensive Period of the Anti-Japanese War;
论抗日战争时期战略防御阶段的国共合作
Many bourgeois military experts advise caution in the initial battle, whether one is on the strategic defensive or on the strategic offensive, but more especially when on the defensive.
许多资产阶级军事家都主张慎重初战，不论在战略防御或战略进攻皆然，而以防御为尤甚。
Theoretical Study of the Strategic Power Infrastructure Defense System Based on Multi-Agent Systems;
基于多代理技术的电力战略防御系统理论研究
defensive strategic nuclear weapon systems
防御性战略核武器系统
defensive warfare, measures
防御战、 防御措施
The defence strategy of the Qi Great Wall boasts two features:one is the trinity of hillside field defence,Jishui defence and Huanghai defence;
齐长城的防御战略有两大特点,即:山地防御、济水防御、黄海防御三位一体的防御战略;
Of course, guerrilla warfare includes not only the strategic but also the tactical defensive.
当然，游击战争中不但战略上有防御，战术上也是有防御的；
To strengthen and secure(a position)with fortifications.
设防御工事，设防以防御公事加强或防护（战略位置）
Militarily, our basic defense strategy is deterrence.
在军事上，我们的基本防御战略是威慑战略。
-- Implementing the military strategy of active defense.
－－贯彻积极防御的军事战略方针。
The position of the Qi Great Wall in the mililary defensive strategy of the Qi State
齐长城在齐国军事防御战略中的地位
Ballistic Missile Defence and American Global Strategy
弹道导弹防御计划与美国的全球战略
defense against biological warfare.
抵御生物战争的防御。