由陆基洲际弹道导弹潜艇发射的导弹以及战略轰炸机组成的三合一战略核力量战略威慑三元体系
A three-in-one strategic nuclear force and strategic deterrence system composed of missiles launched by land-based intercontinental ballistic missile submarines and strategic bombers
以上为机器翻译结果，长、整句建议使用 人工翻译 。