教育是每个民族主要的防御体系。
当前的安全防御体系需要有充分的协作机制。
The current defending system needs the sufficient cooperation mechanism.
这个防御体系可以抵御来自伊拉克的潜在威胁。
The protective system can shield the potential threat from Iraq.
完整的皮肤是人体自然防御体系的第一道防线。
The complete skin is the first defensive line of the natural defensive system of human body.
完整的皮肤是人体自然防御体系的第一道防线。
The complete skin is the first defensive line of the natural defensive system of human body.
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