The research of blast, combustion, armour piercing, trajectory and aviation posture can't be done without high speed photograph in national defencescience and technology research field.
在国防科技研究领域，爆炸、燃烧、穿甲、弹道、飞行姿态等的研究都离不开高速摄影。
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Despite anything the science of medicine may have achieved, the immune system is our main defence against disease.
不管医疗科学已取得了什么样的进步，免疫系统仍是我们抵抗疾病的主要防御手段。
《柯林斯英汉双解大词典》
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Project supported by the Chinese Defence Advance Research Program of Science and Technology, China (Grant no.).