An extending research on mechanics criterion for attack defence in air combat was studied.

对空战攻防对策力学准则进行了推广研究。

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It is a traditional Chinese sport which applies the art of attack and defence in combat.

它是中国一项将攻防竞技运用于搏斗之中的传统体育项目。

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With the emphasis on defence rather than attack, it is not an arms race yet.

由于上述对策研究重在防御而非攻击，因此还未形成一场军备竞赛。

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Firstly redress the balance in emphasis between attack and defence - and perhaps have in mind the old cliche that the best form of defence is attack.

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Instead he stresses that his aim is to find a balance between attack and defence.

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Portugal did not go for counter-attacking only -- they were able to make perfect transitions from attack to defence.

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