国家为防备和抵抗侵略.制止颠覆,保卫国家主权.领土完整和安全而进行的军事活动以及与军事有关的政治.经济.外交.科技.教育等方面的活动就是国防。() A. 正确 B. 错误

国家为防备和抵抗侵略.制止颠覆,保卫国家主权.领土完整和安全而进行的军事活动以及与军事有关的政治.经济.外交.科技.教育等方面的活动就是国防。() A. 正确 B. 错误

This statement accurately defines国防 according to its comprehensive scope. The definition correctly encompasses both military activities and related non-military domains essential for national security.

A. 正确

The definition aligns with the legal and academic understanding of国防 (national defense), which integrates military operations with supporting political, economic, diplomatic, technological, and educational efforts to safeguard a nation's sovereignty, territorial integrity, and security. This holistic approach reflects modern defense concepts that recognize security threats extend beyond traditional military domains.