annihilation

A photomagnetic positronium annihilation model was proposed to explain the experimental facts.

提出正电素光磁模型以解释实验事实。

The ememy was warned to capitulate or face annihilation.

敌人受到警告，要么投降，要么全部被歼。

After Sputnik, megadeath would arrive in minutes by rocket, non-negotiably, and in such quantities that global annihilation looked on the cards.

杀伤规模之大甚至可以引发世界末日。

It indicates that a correct mass relation of a meson nonet (especially for the non ideal-mixing meson nonet) should incorporate the effect of the flavor-dependent quarkonia annihilation.

这表明，一个正确反映重态（特别是非理想混合的重态）成员间质量关系的公式，应该包含夸克偶素间的跟味道有关这种修正。