non conservation of parity宇称不守恒
non n conservation of parity宇称不守恒
failure of parity conservation宇称守恒的破坏
law of parity conservation宇称守恒定律
law w of parity conservation宇称守恒定律
failure e of parity conservation宇称守恒的破坏
failure analysis of parity conservation宇称守恒的破坏
N（名词） the principle that the parity of the total wave function describing a system of elementary particles is conserved. In fact it is not conserved in weak interactions 宇称守恒定律