Positron and electron (particle and anti-particle) can annihilate in collision turning into electromagnetic radiation.

正电子和电子(粒子和反粒子)在对撞中会发生湮灭，并产生电磁辐射。

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One way to create such short bursts of gamma rays is through the collision — and subsequent annihilation, as the mass of those particles converts into energy — of an electron and a positron.

制造伽马射线短脉冲的一种方法，是电子与正电子的碰撞——之后的湮灭，使粒子的质量转化为能量。

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Positron or electron-atom collision theory is a main and fundamental area of atomic and molecular physics.

正（负）电子与原子的碰撞理论是原子与分子物理主要的研究领域。

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