质湮放射

【医】 annihilation radiation

质的英语翻译：

character; matter; nature; pawn; pledge; quality; question; simple
【医】 mass; massa; quality; substance; substantia
【经】 guilder

放射的英语翻译：

emanate from; emit; radiate; ray; shed
【化】 emit; radiate; radiation
【医】 actino-; radiate; radiation; radio-