defence in depth
縦深防御
Bandwagoning
Culminating point
Deep operation
Defence in depth (non-military)
Defense in depth (nuclear engineering)
Defence-in-depth (Roman military)
Hedgehog defence
List of military tactics
Loss of Strength Gradient
Scorched earth policy
Strategic depth
https://source.unsplash.com/featured/?defence-in-depth#.png
/suto3/google.icondefence in depth
/suto3/Google画像検索.icondefence in depth
/suto3/Google定義検索.icon defence in depth
/suto3/wikipedia.icondefence in depth
/suto3/weblio.icon defence in depth
/suto3/kotobank.icon defence in depth
/suto3/jisho.icon defence in depth